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Finding the Fourth Proportional to 204,481.80, 306,722.70 and 115,908.30

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Solution

The fourth proportional to 204,481.80, 306,722.70 and 115,908.30 is: 173,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,481.80 : 306,722.70 = 115,908.30 : x
  2. Step 2: Convert to fraction form
    204,481.80/306,722.70 = 115,908.30/x
  3. Step 3: Cross multiply
    204,481.80x = 306,722.70 × 115,908.30
  4. Step 4: Simplify right side
    204,481.80x = 35,551,706,728.41
  5. Step 5: Solve for x
    x = 35,551,706,728.41/204,481.80
  6. Step 6: Final answer
    x = 173,862.45

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