Home / 187,822.75-281,780.37-54,704.16

Finding the Fourth Proportional to 187,822.75, 281,780.37 and 54,704.16

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Solution

The fourth proportional to 187,822.75, 281,780.37 and 54,704.16 is: 82,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,822.75 : 281,780.37 = 54,704.16 : x
  2. Step 2: Convert to fraction form
    187,822.75/281,780.37 = 54,704.16/x
  3. Step 3: Cross multiply
    187,822.75x = 281,780.37 × 54,704.16
  4. Step 4: Simplify right side
    187,822.75x = 15,414,558,445.34
  5. Step 5: Solve for x
    x = 15,414,558,445.34/187,822.75
  6. Step 6: Final answer
    x = 82,069.71

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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.