Home / 127,517.10-191,348.55-48,687.90

Finding the Fourth Proportional to 127,517.10, 191,348.55 and 48,687.90

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Solution

The fourth proportional to 127,517.10, 191,348.55 and 48,687.90 is: 73,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,517.10 : 191,348.55 = 48,687.90 : x
  2. Step 2: Convert to fraction form
    127,517.10/191,348.55 = 48,687.90/x
  3. Step 3: Cross multiply
    127,517.10x = 191,348.55 × 48,687.90
  4. Step 4: Simplify right side
    127,517.10x = 9,316,359,067.55
  5. Step 5: Solve for x
    x = 9,316,359,067.55/127,517.10
  6. Step 6: Final answer
    x = 73,059.68

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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.