Home / 187,519.30-281,278.94-82,339.18

Finding the Fourth Proportional to 187,519.30, 281,278.94 and 82,339.18

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Solution

The fourth proportional to 187,519.30, 281,278.94 and 82,339.18 is: 123,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,519.30 : 281,278.94 = 82,339.18 : x
  2. Step 2: Convert to fraction form
    187,519.30/281,278.94 = 82,339.18/x
  3. Step 3: Cross multiply
    187,519.30x = 281,278.94 × 82,339.18
  4. Step 4: Simplify right side
    187,519.30x = 23,160,277,270.87
  5. Step 5: Solve for x
    x = 23,160,277,270.87/187,519.30
  6. Step 6: Final answer
    x = 123,508.77

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1.5x scale

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.