Home / 187,849.20-281,773.80-109,165.80

Finding the Fourth Proportional to 187,849.20, 281,773.80 and 109,165.80

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Solution

The fourth proportional to 187,849.20, 281,773.80 and 109,165.80 is: 163,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,849.20 : 281,773.80 = 109,165.80 : x
  2. Step 2: Convert to fraction form
    187,849.20/281,773.80 = 109,165.80/x
  3. Step 3: Cross multiply
    187,849.20x = 281,773.80 × 109,165.80
  4. Step 4: Simplify right side
    187,849.20x = 30,760,062,296.04
  5. Step 5: Solve for x
    x = 30,760,062,296.04/187,849.20
  6. Step 6: Final answer
    x = 163,748.70

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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.