Home / 87,530.97-131,182.23-40,128.96

Finding the Fourth Proportional to 87,530.97, 131,182.23 and 40,128.96

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Solution

The fourth proportional to 87,530.97, 131,182.23 and 40,128.96 is: 60,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,530.97 : 131,182.23 = 40,128.96 : x
  2. Step 2: Convert to fraction form
    87,530.97/131,182.23 = 40,128.96/x
  3. Step 3: Cross multiply
    87,530.97x = 131,182.23 × 40,128.96
  4. Step 4: Simplify right side
    87,530.97x = 5,264,206,460.38
  5. Step 5: Solve for x
    x = 5,264,206,460.38/87,530.97
  6. Step 6: Final answer
    x = 60,141.07

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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.