Home / 204,126.30-281,729.16-131,508.78

Finding the Fourth Proportional to 204,126.30, 281,729.16 and 131,508.78

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Solution

The fourth proportional to 204,126.30, 281,729.16 and 131,508.78 is: 181,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,126.30 : 281,729.16 = 131,508.78 : x
  2. Step 2: Convert to fraction form
    204,126.30/281,729.16 = 131,508.78/x
  3. Step 3: Cross multiply
    204,126.30x = 281,729.16 × 131,508.78
  4. Step 4: Simplify right side
    204,126.30x = 37,049,858,122.02
  5. Step 5: Solve for x
    x = 37,049,858,122.02/204,126.30
  6. Step 6: Final answer
    x = 181,504.58

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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.