Home / 187,916.66-281,844.98-54,765.78

Finding the Fourth Proportional to 187,916.66, 281,844.98 and 54,765.78

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Solution

The fourth proportional to 187,916.66, 281,844.98 and 54,765.78 is: 82,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,916.66 : 281,844.98 = 54,765.78 : x
  2. Step 2: Convert to fraction form
    187,916.66/281,844.98 = 54,765.78/x
  3. Step 3: Cross multiply
    187,916.66x = 281,844.98 × 54,765.78
  4. Step 4: Simplify right side
    187,916.66x = 15,435,460,168.78
  5. Step 5: Solve for x
    x = 15,435,460,168.78/187,916.66
  6. Step 6: Final answer
    x = 82,139.92

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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.