A 150 pound live hog will yield a 100 pound carcass ( hanging weight ), which will yield about 60 pounds of meat, rough estimation

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Cuts Weight Percent
Ham, fresh or cured 12 lbs 16%
Loin roast, chops 9 lbs 12%
Bacon 10 lbs 13%
Spare ribs 2 lbs 3%
Shoulder butt roasts, chops 6 lbs 8%
Shoulder picnic, fresh, cured 7 lbs 9%
Sausage 6 lbs 8%
Meat total 52 lbs 69%
Lard 15 lbs 20%
Bone, fat & trimmings 8 lbs 11%