Home / 187,206.42-280,754.16-54,087.87

Finding the Fourth Proportional to 187,206.42, 280,754.16 and 54,087.87

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Solution

The fourth proportional to 187,206.42, 280,754.16 and 54,087.87 is: 81,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,206.42 : 280,754.16 = 54,087.87 : x
  2. Step 2: Convert to fraction form
    187,206.42/280,754.16 = 54,087.87/x
  3. Step 3: Cross multiply
    187,206.42x = 280,754.16 × 54,087.87
  4. Step 4: Simplify right side
    187,206.42x = 15,185,394,508.04
  5. Step 5: Solve for x
    x = 15,185,394,508.04/187,206.42
  6. Step 6: Final answer
    x = 81,115.78

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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.