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Finding the Fourth Proportional to 115,732.80, 173,599.20 and 41,843.52

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Solution

The fourth proportional to 115,732.80, 173,599.20 and 41,843.52 is: 62,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,732.80 : 173,599.20 = 41,843.52 : x
  2. Step 2: Convert to fraction form
    115,732.80/173,599.20 = 41,843.52/x
  3. Step 3: Cross multiply
    115,732.80x = 173,599.20 × 41,843.52
  4. Step 4: Simplify right side
    115,732.80x = 7,264,001,597.18
  5. Step 5: Solve for x
    x = 7,264,001,597.18/115,732.80
  6. Step 6: Final answer
    x = 62,765.28

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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.