Home / 187,785.10-281,723.79-54,666.50

Finding the Fourth Proportional to 187,785.10, 281,723.79 and 54,666.50

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Solution

The fourth proportional to 187,785.10, 281,723.79 and 54,666.50 is: 82,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,785.10 : 281,723.79 = 54,666.50 : x
  2. Step 2: Convert to fraction form
    187,785.10/281,723.79 = 54,666.50/x
  3. Step 3: Cross multiply
    187,785.10x = 281,723.79 × 54,666.50
  4. Step 4: Simplify right side
    187,785.10x = 15,400,853,566.04
  5. Step 5: Solve for x
    x = 15,400,853,566.04/187,785.10
  6. Step 6: Final answer
    x = 82,013.18

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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.