Home / 87,951.58-131,939.70-28,791.94

Finding the Fourth Proportional to 87,951.58, 131,939.70 and 28,791.94

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Solution

The fourth proportional to 87,951.58, 131,939.70 and 28,791.94 is: 43,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,951.58 : 131,939.70 = 28,791.94 : x
  2. Step 2: Convert to fraction form
    87,951.58/131,939.70 = 28,791.94/x
  3. Step 3: Cross multiply
    87,951.58x = 131,939.70 × 28,791.94
  4. Step 4: Simplify right side
    87,951.58x = 3,798,799,926.02
  5. Step 5: Solve for x
    x = 3,798,799,926.02/87,951.58
  6. Step 6: Final answer
    x = 43,191.95

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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.