Home / 87,942.06-131,926.95-28,763.87

Finding the Fourth Proportional to 87,942.06, 131,926.95 and 28,763.87

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Solution

The fourth proportional to 87,942.06, 131,926.95 and 28,763.87 is: 43,150.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,942.06 : 131,926.95 = 28,763.87 : x
  2. Step 2: Convert to fraction form
    87,942.06/131,926.95 = 28,763.87/x
  3. Step 3: Cross multiply
    87,942.06x = 131,926.95 × 28,763.87
  4. Step 4: Simplify right side
    87,942.06x = 3,794,728,979.66
  5. Step 5: Solve for x
    x = 3,794,728,979.66/87,942.06
  6. Step 6: Final answer
    x = 43,150.33

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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.