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Finding the Fourth Proportional to 174,844.80, 261,964.80 and 81,158.40

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Solution

The fourth proportional to 174,844.80, 261,964.80 and 81,158.40 is: 121,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,844.80 : 261,964.80 = 81,158.40 : x
  2. Step 2: Convert to fraction form
    174,844.80/261,964.80 = 81,158.40/x
  3. Step 3: Cross multiply
    174,844.80x = 261,964.80 × 81,158.40
  4. Step 4: Simplify right side
    174,844.80x = 21,260,644,024.32
  5. Step 5: Solve for x
    x = 21,260,644,024.32/174,844.80
  6. Step 6: Final answer
    x = 121,597.23

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