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Finding the Fourth Proportional to 119,627.72, 179,472.71 and 44,753.72

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Solution

The fourth proportional to 119,627.72, 179,472.71 and 44,753.72 is: 67,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,627.72 : 179,472.71 = 44,753.72 : x
  2. Step 2: Convert to fraction form
    119,627.72/179,472.71 = 44,753.72/x
  3. Step 3: Cross multiply
    119,627.72x = 179,472.71 × 44,753.72
  4. Step 4: Simplify right side
    119,627.72x = 8,032,070,625.50
  5. Step 5: Solve for x
    x = 8,032,070,625.50/119,627.72
  6. Step 6: Final answer
    x = 67,142.22

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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.