Finding the Fourth Proportional to 115,446.13, 159,336.39 and 68,882.00
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Solution
The fourth proportional to 115,446.13, 159,336.39 and 68,882.00 is: 95,069.52
Step by Step Solution
- Step 1: Write the proportion equation
115,446.13 : 159,336.39 = 68,882.00 : x - Step 2: Convert to fraction form
115,446.13/159,336.39 = 68,882.00/x - Step 3: Cross multiply
115,446.13x = 159,336.39 × 68,882.00 - Step 4: Simplify right side
115,446.13x = 10,975,408,483.87 - Step 5: Solve for x
x = 10,975,408,483.87/115,446.13 - Step 6: Final answer
x = 95,069.52
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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.