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Finding the Fourth Proportional to 149,957.43, 206,941.22 and 81,974.69

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Solution

The fourth proportional to 149,957.43, 206,941.22 and 81,974.69 is: 113,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,957.43 : 206,941.22 = 81,974.69 : x
  2. Step 2: Convert to fraction form
    149,957.43/206,941.22 = 81,974.69/x
  3. Step 3: Cross multiply
    149,957.43x = 206,941.22 × 81,974.69
  4. Step 4: Simplify right side
    149,957.43x = 16,963,941,323.02
  5. Step 5: Solve for x
    x = 16,963,941,323.02/149,957.43
  6. Step 6: Final answer
    x = 113,125.05

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