Home / 231,747.44-319,785.03-129,758.72

Finding the Fourth Proportional to 231,747.44, 319,785.03 and 129,758.72

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Solution

The fourth proportional to 231,747.44, 319,785.03 and 129,758.72 is: 179,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,747.44 : 319,785.03 = 129,758.72 : x
  2. Step 2: Convert to fraction form
    231,747.44/319,785.03 = 129,758.72/x
  3. Step 3: Cross multiply
    231,747.44x = 319,785.03 × 129,758.72
  4. Step 4: Simplify right side
    231,747.44x = 41,494,894,569.04
  5. Step 5: Solve for x
    x = 41,494,894,569.04/231,747.44
  6. Step 6: Final answer
    x = 179,052.23

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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.