Home / 124,727.61-187,316.92-115,229.71

Finding the Fourth Proportional to 124,727.61, 187,316.92 and 115,229.71

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Solution

The fourth proportional to 124,727.61, 187,316.92 and 115,229.71 is: 173,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,727.61 : 187,316.92 = 115,229.71 : x
  2. Step 2: Convert to fraction form
    124,727.61/187,316.92 = 115,229.71/x
  3. Step 3: Cross multiply
    124,727.61x = 187,316.92 × 115,229.71
  4. Step 4: Simplify right side
    124,727.61x = 21,584,473,613.33
  5. Step 5: Solve for x
    x = 21,584,473,613.33/124,727.61
  6. Step 6: Final answer
    x = 173,052.89

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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.