Home / 231,481.09-319,493.85-140,866.24

Finding the Fourth Proportional to 231,481.09, 319,493.85 and 140,866.24

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Solution

The fourth proportional to 231,481.09, 319,493.85 and 140,866.24 is: 194,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,481.09 : 319,493.85 = 140,866.24 : x
  2. Step 2: Convert to fraction form
    231,481.09/319,493.85 = 140,866.24/x
  3. Step 3: Cross multiply
    231,481.09x = 319,493.85 × 140,866.24
  4. Step 4: Simplify right side
    231,481.09x = 45,005,898,679.61
  5. Step 5: Solve for x
    x = 45,005,898,679.61/231,481.09
  6. Step 6: Final answer
    x = 194,425.82

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1.5x scale

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.