Home / 187,277.28-280,924.13-54,171

Finding the Fourth Proportional to 187,277.28, 280,924.13 and 54,171

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Solution

The fourth proportional to 187,277.28, 280,924.13 and 54,171 is: 81,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,277.28 : 280,924.13 = 54,171 : x
  2. Step 2: Convert to fraction form
    187,277.28/280,924.13 = 54,171/x
  3. Step 3: Cross multiply
    187,277.28x = 280,924.13 × 54,171
  4. Step 4: Simplify right side
    187,277.28x = 15,217,940,775.38
  5. Step 5: Solve for x
    x = 15,217,940,775.38/187,277.28
  6. Step 6: Final answer
    x = 81,258.87

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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.