Home / 178,638.35-267,963.19-89,843.36

Finding the Fourth Proportional to 178,638.35, 267,963.19 and 89,843.36

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Solution

The fourth proportional to 178,638.35, 267,963.19 and 89,843.36 is: 134,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,638.35 : 267,963.19 = 89,843.36 : x
  2. Step 2: Convert to fraction form
    178,638.35/267,963.19 = 89,843.36/x
  3. Step 3: Cross multiply
    178,638.35x = 267,963.19 × 89,843.36
  4. Step 4: Simplify right side
    178,638.35x = 24,074,711,781.49
  5. Step 5: Solve for x
    x = 24,074,711,781.49/178,638.35
  6. Step 6: Final answer
    x = 134,767.88

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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.