Home / 187,925.38-281,335.11-125,440.90

Finding the Fourth Proportional to 187,925.38, 281,335.11 and 125,440.90

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Solution

The fourth proportional to 187,925.38, 281,335.11 and 125,440.90 is: 187,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,925.38 : 281,335.11 = 125,440.90 : x
  2. Step 2: Convert to fraction form
    187,925.38/281,335.11 = 125,440.90/x
  3. Step 3: Cross multiply
    187,925.38x = 281,335.11 × 125,440.90
  4. Step 4: Simplify right side
    187,925.38x = 35,290,929,400.00
  5. Step 5: Solve for x
    x = 35,290,929,400.00/187,925.38
  6. Step 6: Final answer
    x = 187,792.25

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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.