Finding the Fourth Proportional to 118,487.08, 177,577.38 and 88,670.92
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Solution
The fourth proportional to 118,487.08, 177,577.38 and 88,670.92 is: 132,891.70
Step by Step Solution
- Step 1: Write the proportion equation
118,487.08 : 177,577.38 = 88,670.92 : x - Step 2: Convert to fraction form
118,487.08/177,577.38 = 88,670.92/x - Step 3: Cross multiply
118,487.08x = 177,577.38 × 88,670.92 - Step 4: Simplify right side
118,487.08x = 15,745,949,655.79 - Step 5: Solve for x
x = 15,745,949,655.79/118,487.08 - Step 6: Final answer
x = 132,891.70
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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.