Home / 87,499.77-131,091.09-40,154.46

Finding the Fourth Proportional to 87,499.77, 131,091.09 and 40,154.46

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Solution

The fourth proportional to 87,499.77, 131,091.09 and 40,154.46 is: 60,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,499.77 : 131,091.09 = 40,154.46 : x
  2. Step 2: Convert to fraction form
    87,499.77/131,091.09 = 40,154.46/x
  3. Step 3: Cross multiply
    87,499.77x = 131,091.09 × 40,154.46
  4. Step 4: Simplify right side
    87,499.77x = 5,263,891,929.76
  5. Step 5: Solve for x
    x = 5,263,891,929.76/87,499.77
  6. Step 6: Final answer
    x = 60,158.92

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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.