Finding the Fourth Proportional to 106,789.44, 160,129.28 and 62,425.92
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Solution
The fourth proportional to 106,789.44, 160,129.28 and 62,425.92 is: 93,606.80
Step by Step Solution
- Step 1: Write the proportion equation
106,789.44 : 160,129.28 = 62,425.92 : x - Step 2: Convert to fraction form
106,789.44/160,129.28 = 62,425.92/x - Step 3: Cross multiply
106,789.44x = 160,129.28 × 62,425.92 - Step 4: Simplify right side
106,789.44x = 9,996,217,622.94 - Step 5: Solve for x
x = 9,996,217,622.94/106,789.44 - Step 6: Final answer
x = 93,606.80
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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.