Home / 87,344.66-131,044.68-31,183.56

Finding the Fourth Proportional to 87,344.66, 131,044.68 and 31,183.56

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Solution

The fourth proportional to 87,344.66, 131,044.68 and 31,183.56 is: 46,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,344.66 : 131,044.68 = 31,183.56 : x
  2. Step 2: Convert to fraction form
    87,344.66/131,044.68 = 31,183.56/x
  3. Step 3: Cross multiply
    87,344.66x = 131,044.68 × 31,183.56
  4. Step 4: Simplify right side
    87,344.66x = 4,086,439,641.46
  5. Step 5: Solve for x
    x = 4,086,439,641.46/87,344.66
  6. Step 6: Final answer
    x = 46,785.22

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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.