Home / 231,882.17-319,924.76-129,893.85

Finding the Fourth Proportional to 231,882.17, 319,924.76 and 129,893.85

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Solution

The fourth proportional to 231,882.17, 319,924.76 and 129,893.85 is: 179,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,882.17 : 319,924.76 = 129,893.85 : x
  2. Step 2: Convert to fraction form
    231,882.17/319,924.76 = 129,893.85/x
  3. Step 3: Cross multiply
    231,882.17x = 319,924.76 × 129,893.85
  4. Step 4: Simplify right side
    231,882.17x = 41,556,258,137.26
  5. Step 5: Solve for x
    x = 41,556,258,137.26/231,882.17
  6. Step 6: Final answer
    x = 179,212.83

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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.