Home / 187,423.95-281,135.94-54,304.30

Finding the Fourth Proportional to 187,423.95, 281,135.94 and 54,304.30

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Solution

The fourth proportional to 187,423.95, 281,135.94 and 54,304.30 is: 81,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,423.95 : 281,135.94 = 54,304.30 : x
  2. Step 2: Convert to fraction form
    187,423.95/281,135.94 = 54,304.30/x
  3. Step 3: Cross multiply
    187,423.95x = 281,135.94 × 54,304.30
  4. Step 4: Simplify right side
    187,423.95x = 15,266,888,749.34
  5. Step 5: Solve for x
    x = 15,266,888,749.34/187,423.95
  6. Step 6: Final answer
    x = 81,456.45

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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.