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Finding the Fourth Proportional to 97.05, 133.85 and 67.95

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Solution

The fourth proportional to 97.05, 133.85 and 67.95 is: 93.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.05 : 133.85 = 67.95 : x
  2. Step 2: Convert to fraction form
    97.05/133.85 = 67.95/x
  3. Step 3: Cross multiply
    97.05x = 133.85 × 67.95
  4. Step 4: Simplify right side
    97.05x = 9,094.77
  5. Step 5: Solve for x
    x = 9,094.77/97.05
  6. Step 6: Final answer
    x = 93.71

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