Home / 132,421.28-198,631.84-38,927.04

Finding the Fourth Proportional to 132,421.28, 198,631.84 and 38,927.04

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Solution

The fourth proportional to 132,421.28, 198,631.84 and 38,927.04 is: 58,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,421.28 : 198,631.84 = 38,927.04 : x
  2. Step 2: Convert to fraction form
    132,421.28/198,631.84 = 38,927.04/x
  3. Step 3: Cross multiply
    132,421.28x = 198,631.84 × 38,927.04
  4. Step 4: Simplify right side
    132,421.28x = 7,732,149,580.95
  5. Step 5: Solve for x
    x = 7,732,149,580.95/132,421.28
  6. Step 6: Final answer
    x = 58,390.54

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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.