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Finding the Fourth Proportional to 122,116.31, 168,519.51 and 68,401.83

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Solution

The fourth proportional to 122,116.31, 168,519.51 and 68,401.83 is: 94,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,116.31 : 168,519.51 = 68,401.83 : x
  2. Step 2: Convert to fraction form
    122,116.31/168,519.51 = 68,401.83/x
  3. Step 3: Cross multiply
    122,116.31x = 168,519.51 × 68,401.83
  4. Step 4: Simplify right side
    122,116.31x = 11,527,042,874.70
  5. Step 5: Solve for x
    x = 11,527,042,874.70/122,116.31
  6. Step 6: Final answer
    x = 94,393.97

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