Home / 187,254.43-280,854-68,898.24

Finding the Fourth Proportional to 187,254.43, 280,854 and 68,898.24

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Solution

The fourth proportional to 187,254.43, 280,854 and 68,898.24 is: 103,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,254.43 : 280,854 = 68,898.24 : x
  2. Step 2: Convert to fraction form
    187,254.43/280,854 = 68,898.24/x
  3. Step 3: Cross multiply
    187,254.43x = 280,854 × 68,898.24
  4. Step 4: Simplify right side
    187,254.43x = 19,350,346,296.96
  5. Step 5: Solve for x
    x = 19,350,346,296.96/187,254.43
  6. Step 6: Final answer
    x = 103,337.19

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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.