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Finding the Fourth Proportional to 94,121.73, 129,822.39 and 79,876.44

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Solution

The fourth proportional to 94,121.73, 129,822.39 and 79,876.44 is: 110,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,121.73 : 129,822.39 = 79,876.44 : x
  2. Step 2: Convert to fraction form
    94,121.73/129,822.39 = 79,876.44/x
  3. Step 3: Cross multiply
    94,121.73x = 129,822.39 × 79,876.44
  4. Step 4: Simplify right side
    94,121.73x = 10,369,750,345.49
  5. Step 5: Solve for x
    x = 10,369,750,345.49/94,121.73
  6. Step 6: Final answer
    x = 110,173.82

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