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Finding the Fourth Proportional to 115,500.90, 173,251.35 and 103,691.10

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Solution

The fourth proportional to 115,500.90, 173,251.35 and 103,691.10 is: 155,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,500.90 : 173,251.35 = 103,691.10 : x
  2. Step 2: Convert to fraction form
    115,500.90/173,251.35 = 103,691.10/x
  3. Step 3: Cross multiply
    115,500.90x = 173,251.35 × 103,691.10
  4. Step 4: Simplify right side
    115,500.90x = 17,964,623,057.99
  5. Step 5: Solve for x
    x = 17,964,623,057.99/115,500.90
  6. Step 6: Final answer
    x = 155,536.65

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