Finding the Fourth Proportional to 107,901.28, 161,052.92 and 101,252.80
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Solution
The fourth proportional to 107,901.28, 161,052.92 and 101,252.80 is: 151,129.43
Step by Step Solution
- Step 1: Write the proportion equation
107,901.28 : 161,052.92 = 101,252.80 : x - Step 2: Convert to fraction form
107,901.28/161,052.92 = 101,252.80/x - Step 3: Cross multiply
107,901.28x = 161,052.92 × 101,252.80 - Step 4: Simplify right side
107,901.28x = 16,307,059,098.18 - Step 5: Solve for x
x = 16,307,059,098.18/107,901.28 - Step 6: Final answer
x = 151,129.43
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.