Home / 83,519.25-125,247.79-36,141.22

Finding the Fourth Proportional to 83,519.25, 125,247.79 and 36,141.22

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Solution

The fourth proportional to 83,519.25, 125,247.79 and 36,141.22 is: 54,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,519.25 : 125,247.79 = 36,141.22 : x
  2. Step 2: Convert to fraction form
    83,519.25/125,247.79 = 36,141.22/x
  3. Step 3: Cross multiply
    83,519.25x = 125,247.79 × 36,141.22
  4. Step 4: Simplify right side
    83,519.25x = 4,526,607,932.90
  5. Step 5: Solve for x
    x = 4,526,607,932.90/83,519.25
  6. Step 6: Final answer
    x = 54,198.38

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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.