Home / 138,902.52-191,652.30-82,304.04

Finding the Fourth Proportional to 138,902.52, 191,652.30 and 82,304.04

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Solution

The fourth proportional to 138,902.52, 191,652.30 and 82,304.04 is: 113,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,902.52 : 191,652.30 = 82,304.04 : x
  2. Step 2: Convert to fraction form
    138,902.52/191,652.30 = 82,304.04/x
  3. Step 3: Cross multiply
    138,902.52x = 191,652.30 × 82,304.04
  4. Step 4: Simplify right side
    138,902.52x = 15,773,758,565.29
  5. Step 5: Solve for x
    x = 15,773,758,565.29/138,902.52
  6. Step 6: Final answer
    x = 113,559.92

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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.