Home / 132,423.28-198,634.80-38,929

Finding the Fourth Proportional to 132,423.28, 198,634.80 and 38,929

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Solution

The fourth proportional to 132,423.28, 198,634.80 and 38,929 is: 58,393.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,423.28 : 198,634.80 = 38,929 : x
  2. Step 2: Convert to fraction form
    132,423.28/198,634.80 = 38,929/x
  3. Step 3: Cross multiply
    132,423.28x = 198,634.80 × 38,929
  4. Step 4: Simplify right side
    132,423.28x = 7,732,654,129.20
  5. Step 5: Solve for x
    x = 7,732,654,129.20/132,423.28
  6. Step 6: Final answer
    x = 58,393.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.