Home / 132,630.88-198,951.78-39,136.64

Finding the Fourth Proportional to 132,630.88, 198,951.78 and 39,136.64

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Solution

The fourth proportional to 132,630.88, 198,951.78 and 39,136.64 is: 58,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,630.88 : 198,951.78 = 39,136.64 : x
  2. Step 2: Convert to fraction form
    132,630.88/198,951.78 = 39,136.64/x
  3. Step 3: Cross multiply
    132,630.88x = 198,951.78 × 39,136.64
  4. Step 4: Simplify right side
    132,630.88x = 7,786,304,191.22
  5. Step 5: Solve for x
    x = 7,786,304,191.22/132,630.88
  6. Step 6: Final answer
    x = 58,706.57

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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.