Home / 135,974.57-187,592.56-100,249.52

Finding the Fourth Proportional to 135,974.57, 187,592.56 and 100,249.52

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Solution

The fourth proportional to 135,974.57, 187,592.56 and 100,249.52 is: 138,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,974.57 : 187,592.56 = 100,249.52 : x
  2. Step 2: Convert to fraction form
    135,974.57/187,592.56 = 100,249.52/x
  3. Step 3: Cross multiply
    135,974.57x = 187,592.56 × 100,249.52
  4. Step 4: Simplify right side
    135,974.57x = 18,806,062,906.98
  5. Step 5: Solve for x
    x = 18,806,062,906.98/135,974.57
  6. Step 6: Final answer
    x = 138,305.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.