Home / 231,760.24-319,846.62-129,780.52

Finding the Fourth Proportional to 231,760.24, 319,846.62 and 129,780.52

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Solution

The fourth proportional to 231,760.24, 319,846.62 and 129,780.52 is: 179,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,760.24 : 319,846.62 = 129,780.52 : x
  2. Step 2: Convert to fraction form
    231,760.24/319,846.62 = 129,780.52/x
  3. Step 3: Cross multiply
    231,760.24x = 319,846.62 × 129,780.52
  4. Step 4: Simplify right side
    231,760.24x = 41,509,860,663.84
  5. Step 5: Solve for x
    x = 41,509,860,663.84/231,760.24
  6. Step 6: Final answer
    x = 179,106.91

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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.