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Finding the Fourth Proportional to 119,896.28, 179,720.48 and 44,963.58

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Solution

The fourth proportional to 119,896.28, 179,720.48 and 44,963.58 is: 67,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,896.28 : 179,720.48 = 44,963.58 : x
  2. Step 2: Convert to fraction form
    119,896.28/179,720.48 = 44,963.58/x
  3. Step 3: Cross multiply
    119,896.28x = 179,720.48 × 44,963.58
  4. Step 4: Simplify right side
    119,896.28x = 8,080,876,292.53
  5. Step 5: Solve for x
    x = 8,080,876,292.53/119,896.28
  6. Step 6: Final answer
    x = 67,398.89

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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.