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Finding the Fourth Proportional to 134.77, 201.86 and 83.43

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Solution

The fourth proportional to 134.77, 201.86 and 83.43 is: 124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.77 : 201.86 = 83.43 : x
  2. Step 2: Convert to fraction form
    134.77/201.86 = 83.43/x
  3. Step 3: Cross multiply
    134.77x = 201.86 × 83.43
  4. Step 4: Simplify right side
    134.77x = 16,840.17
  5. Step 5: Solve for x
    x = 16,840.17/134.77
  6. Step 6: Final answer
    x = 124.95

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