An older woman who went missing from a vast central Queensland property has been found dead in bushland.

Muriel Macdonald, 78, was last seen alive on a 3200-hectare Ravensbourne Road property near Blackall, in the state's central west, on Friday afternoon.

Muriel Macdonald, 78, was found dead in bushland in central-western Queensland.

More than one hundred people joined a search for her on motorbikes, horseback, on foot and by helicopter.

Police said on Saturday night Ms Macdonald was found dead in bushland and a report would be prepared for the coroner.

AAP