Finding the Fourth Proportional to 125,152.62, 172,711.24 and 68,564.02
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Solution
The fourth proportional to 125,152.62, 172,711.24 and 68,564.02 is: 94,618.69
Step by Step Solution
- Step 1: Write the proportion equation
125,152.62 : 172,711.24 = 68,564.02 : x - Step 2: Convert to fraction form
125,152.62/172,711.24 = 68,564.02/x - Step 3: Cross multiply
125,152.62x = 172,711.24 × 68,564.02 - Step 4: Simplify right side
125,152.62x = 11,841,776,913.58 - Step 5: Solve for x
x = 11,841,776,913.58/125,152.62 - Step 6: Final answer
x = 94,618.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.