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Finding the Fourth Proportional to 136.08, 204 and 105.48

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Solution

The fourth proportional to 136.08, 204 and 105.48 is: 158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.08 : 204 = 105.48 : x
  2. Step 2: Convert to fraction form
    136.08/204 = 105.48/x
  3. Step 3: Cross multiply
    136.08x = 204 × 105.48
  4. Step 4: Simplify right side
    136.08x = 21,517.92
  5. Step 5: Solve for x
    x = 21,517.92/136.08
  6. Step 6: Final answer
    x = 158.13

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