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Finding the Fourth Proportional to 136,585.89, 204,909.28 and 41,829.39

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Solution

The fourth proportional to 136,585.89, 204,909.28 and 41,829.39 is: 62,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,585.89 : 204,909.28 = 41,829.39 : x
  2. Step 2: Convert to fraction form
    136,585.89/204,909.28 = 41,829.39/x
  3. Step 3: Cross multiply
    136,585.89x = 204,909.28 × 41,829.39
  4. Step 4: Simplify right side
    136,585.89x = 8,571,230,083.17
  5. Step 5: Solve for x
    x = 8,571,230,083.17/136,585.89
  6. Step 6: Final answer
    x = 62,753.41

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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.