Home / 231,332.20-319,115.34-140,715.88

Finding the Fourth Proportional to 231,332.20, 319,115.34 and 140,715.88

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Solution

The fourth proportional to 231,332.20, 319,115.34 and 140,715.88 is: 194,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,332.20 : 319,115.34 = 140,715.88 : x
  2. Step 2: Convert to fraction form
    231,332.20/319,115.34 = 140,715.88/x
  3. Step 3: Cross multiply
    231,332.20x = 319,115.34 × 140,715.88
  4. Step 4: Simplify right side
    231,332.20x = 44,904,595,889.60
  5. Step 5: Solve for x
    x = 44,904,595,889.60/231,332.20
  6. Step 6: Final answer
    x = 194,113.04

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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.