Finding the Fourth Proportional to 88,173.84, 132,119.52 and 79,221.60
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Solution
The fourth proportional to 88,173.84, 132,119.52 and 79,221.60 is: 118,705.50
Step by Step Solution
- Step 1: Write the proportion equation
88,173.84 : 132,119.52 = 79,221.60 : x - Step 2: Convert to fraction form
88,173.84/132,119.52 = 79,221.60/x - Step 3: Cross multiply
88,173.84x = 132,119.52 × 79,221.60 - Step 4: Simplify right side
88,173.84x = 10,466,719,765.63 - Step 5: Solve for x
x = 10,466,719,765.63/88,173.84 - Step 6: Final answer
x = 118,705.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.