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Finding the Fourth Proportional to 136,355.82, 204,524.73 and 65,329.26

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Solution

The fourth proportional to 136,355.82, 204,524.73 and 65,329.26 is: 97,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,355.82 : 204,524.73 = 65,329.26 : x
  2. Step 2: Convert to fraction form
    136,355.82/204,524.73 = 65,329.26/x
  3. Step 3: Cross multiply
    136,355.82x = 204,524.73 × 65,329.26
  4. Step 4: Simplify right side
    136,355.82x = 13,361,449,262.60
  5. Step 5: Solve for x
    x = 13,361,449,262.60/136,355.82
  6. Step 6: Final answer
    x = 97,989.58

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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.