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Finding the Fourth Proportional to 127,841.52, 176,422.20 and 73,379.20

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Solution

The fourth proportional to 127,841.52, 176,422.20 and 73,379.20 is: 101,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,841.52 : 176,422.20 = 73,379.20 : x
  2. Step 2: Convert to fraction form
    127,841.52/176,422.20 = 73,379.20/x
  3. Step 3: Cross multiply
    127,841.52x = 176,422.20 × 73,379.20
  4. Step 4: Simplify right side
    127,841.52x = 12,945,719,898.24
  5. Step 5: Solve for x
    x = 12,945,719,898.24/127,841.52
  6. Step 6: Final answer
    x = 101,263.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.