Home / 204,233.28-281,726.88-122,540.40

Finding the Fourth Proportional to 204,233.28, 281,726.88 and 122,540.40

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Solution

The fourth proportional to 204,233.28, 281,726.88 and 122,540.40 is: 169,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,233.28 : 281,726.88 = 122,540.40 : x
  2. Step 2: Convert to fraction form
    204,233.28/281,726.88 = 122,540.40/x
  3. Step 3: Cross multiply
    204,233.28x = 281,726.88 × 122,540.40
  4. Step 4: Simplify right side
    204,233.28x = 34,522,924,565.95
  5. Step 5: Solve for x
    x = 34,522,924,565.95/204,233.28
  6. Step 6: Final answer
    x = 169,036.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.