Home / 124,627.26-187,001.88-77,229.68

Finding the Fourth Proportional to 124,627.26, 187,001.88 and 77,229.68

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Solution

The fourth proportional to 124,627.26, 187,001.88 and 77,229.68 is: 115,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,627.26 : 187,001.88 = 77,229.68 : x
  2. Step 2: Convert to fraction form
    124,627.26/187,001.88 = 77,229.68/x
  3. Step 3: Cross multiply
    124,627.26x = 187,001.88 × 77,229.68
  4. Step 4: Simplify right side
    124,627.26x = 14,442,094,416.79
  5. Step 5: Solve for x
    x = 14,442,094,416.79/124,627.26
  6. Step 6: Final answer
    x = 115,882.31

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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.