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Finding the Fourth Proportional to 175,304.80, 262,654.80 and 81,618.40

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Solution

The fourth proportional to 175,304.80, 262,654.80 and 81,618.40 is: 122,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,304.80 : 262,654.80 = 81,618.40 : x
  2. Step 2: Convert to fraction form
    175,304.80/262,654.80 = 81,618.40/x
  3. Step 3: Cross multiply
    175,304.80x = 262,654.80 × 81,618.40
  4. Step 4: Simplify right side
    175,304.80x = 21,437,464,528.32
  5. Step 5: Solve for x
    x = 21,437,464,528.32/175,304.80
  6. Step 6: Final answer
    x = 122,286.81

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