Home / 87,446.68-131,162.34-45,324.76

Finding the Fourth Proportional to 87,446.68, 131,162.34 and 45,324.76

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Solution

The fourth proportional to 87,446.68, 131,162.34 and 45,324.76 is: 67,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,446.68 : 131,162.34 = 45,324.76 : x
  2. Step 2: Convert to fraction form
    87,446.68/131,162.34 = 45,324.76/x
  3. Step 3: Cross multiply
    87,446.68x = 131,162.34 × 45,324.76
  4. Step 4: Simplify right side
    87,446.68x = 5,944,901,581.54
  5. Step 5: Solve for x
    x = 5,944,901,581.54/87,446.68
  6. Step 6: Final answer
    x = 67,983.16

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1.5x scale

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.