Home / 204,001.10-281,430.95-135,951.78

Finding the Fourth Proportional to 204,001.10, 281,430.95 and 135,951.78

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Solution

The fourth proportional to 204,001.10, 281,430.95 and 135,951.78 is: 187,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,001.10 : 281,430.95 = 135,951.78 : x
  2. Step 2: Convert to fraction form
    204,001.10/281,430.95 = 135,951.78/x
  3. Step 3: Cross multiply
    204,001.10x = 281,430.95 × 135,951.78
  4. Step 4: Simplify right side
    204,001.10x = 38,261,037,919.83
  5. Step 5: Solve for x
    x = 38,261,037,919.83/204,001.10
  6. Step 6: Final answer
    x = 187,553.10

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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.