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Finding the Fourth Proportional to 122,713.96, 169,344.42 and 69,721.96

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Solution

The fourth proportional to 122,713.96, 169,344.42 and 69,721.96 is: 96,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,713.96 : 169,344.42 = 69,721.96 : x
  2. Step 2: Convert to fraction form
    122,713.96/169,344.42 = 69,721.96/x
  3. Step 3: Cross multiply
    122,713.96x = 169,344.42 × 69,721.96
  4. Step 4: Simplify right side
    122,713.96x = 11,807,024,877.46
  5. Step 5: Solve for x
    x = 11,807,024,877.46/122,713.96
  6. Step 6: Final answer
    x = 96,215.82

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