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Finding the Fourth Proportional to 122,233.13, 168,691.44 and 71,941.85

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Solution

The fourth proportional to 122,233.13, 168,691.44 and 71,941.85 is: 99,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,233.13 : 168,691.44 = 71,941.85 : x
  2. Step 2: Convert to fraction form
    122,233.13/168,691.44 = 71,941.85/x
  3. Step 3: Cross multiply
    122,233.13x = 168,691.44 × 71,941.85
  4. Step 4: Simplify right side
    122,233.13x = 12,135,973,429.31
  5. Step 5: Solve for x
    x = 12,135,973,429.31/122,233.13
  6. Step 6: Final answer
    x = 99,285.47

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