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Finding the Fourth Proportional to 136.63, 204.84 and 131.02

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Solution

The fourth proportional to 136.63, 204.84 and 131.02 is: 196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.63 : 204.84 = 131.02 : x
  2. Step 2: Convert to fraction form
    136.63/204.84 = 131.02/x
  3. Step 3: Cross multiply
    136.63x = 204.84 × 131.02
  4. Step 4: Simplify right side
    136.63x = 26,838.14
  5. Step 5: Solve for x
    x = 26,838.14/136.63
  6. Step 6: Final answer
    x = 196.43

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