Home / 203,691.26-281,016.78-150,104.09

Finding the Fourth Proportional to 203,691.26, 281,016.78 and 150,104.09

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Solution

The fourth proportional to 203,691.26, 281,016.78 and 150,104.09 is: 207,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,691.26 : 281,016.78 = 150,104.09 : x
  2. Step 2: Convert to fraction form
    203,691.26/281,016.78 = 150,104.09/x
  3. Step 3: Cross multiply
    203,691.26x = 281,016.78 × 150,104.09
  4. Step 4: Simplify right side
    203,691.26x = 42,181,766,631.55
  5. Step 5: Solve for x
    x = 42,181,766,631.55/203,691.26
  6. Step 6: Final answer
    x = 207,086.78

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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.