Home / 187,520.63-281,310.24-61,131.54

Finding the Fourth Proportional to 187,520.63, 281,310.24 and 61,131.54

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Solution

The fourth proportional to 187,520.63, 281,310.24 and 61,131.54 is: 91,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,520.63 : 281,310.24 = 61,131.54 : x
  2. Step 2: Convert to fraction form
    187,520.63/281,310.24 = 61,131.54/x
  3. Step 3: Cross multiply
    187,520.63x = 281,310.24 × 61,131.54
  4. Step 4: Simplify right side
    187,520.63x = 17,196,928,188.97
  5. Step 5: Solve for x
    x = 17,196,928,188.97/187,520.63
  6. Step 6: Final answer
    x = 91,706.86

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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.