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Finding the Fourth Proportional to 115,522.80, 172,947.24 and 103,517.52

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Solution

The fourth proportional to 115,522.80, 172,947.24 and 103,517.52 is: 154,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,522.80 : 172,947.24 = 103,517.52 : x
  2. Step 2: Convert to fraction form
    115,522.80/172,947.24 = 103,517.52/x
  3. Step 3: Cross multiply
    115,522.80x = 172,947.24 × 103,517.52
  4. Step 4: Simplify right side
    115,522.80x = 17,903,069,375.64
  5. Step 5: Solve for x
    x = 17,903,069,375.64/115,522.80
  6. Step 6: Final answer
    x = 154,974.34

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