Finding the Fourth Proportional to 106,837.92, 160,402.68 and 54,284.58
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Solution
The fourth proportional to 106,837.92, 160,402.68 and 54,284.58 is: 81,500.95
Step by Step Solution
- Step 1: Write the proportion equation
106,837.92 : 160,402.68 = 54,284.58 : x - Step 2: Convert to fraction form
106,837.92/160,402.68 = 54,284.58/x - Step 3: Cross multiply
106,837.92x = 160,402.68 × 54,284.58 - Step 4: Simplify right side
106,837.92x = 8,707,392,114.67 - Step 5: Solve for x
x = 8,707,392,114.67/106,837.92 - Step 6: Final answer
x = 81,500.95
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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.