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Finding the Fourth Proportional to 148,976.70, 205,587.82 and 81,908.70

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Solution

The fourth proportional to 148,976.70, 205,587.82 and 81,908.70 is: 113,033.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,976.70 : 205,587.82 = 81,908.70 : x
  2. Step 2: Convert to fraction form
    148,976.70/205,587.82 = 81,908.70/x
  3. Step 3: Cross multiply
    148,976.70x = 205,587.82 × 81,908.70
  4. Step 4: Simplify right side
    148,976.70x = 16,839,431,072.03
  5. Step 5: Solve for x
    x = 16,839,431,072.03/148,976.70
  6. Step 6: Final answer
    x = 113,033.99

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