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Finding the Fourth Proportional to 134.82, 201.90 and 62.70

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Solution

The fourth proportional to 134.82, 201.90 and 62.70 is: 93.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.82 : 201.90 = 62.70 : x
  2. Step 2: Convert to fraction form
    134.82/201.90 = 62.70/x
  3. Step 3: Cross multiply
    134.82x = 201.90 × 62.70
  4. Step 4: Simplify right side
    134.82x = 12,659.13
  5. Step 5: Solve for x
    x = 12,659.13/134.82
  6. Step 6: Final answer
    x = 93.90

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