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Finding the Fourth Proportional to 97.83, 134.96 and 68.74

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Solution

The fourth proportional to 97.83, 134.96 and 68.74 is: 94.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.83 : 134.96 = 68.74 : x
  2. Step 2: Convert to fraction form
    97.83/134.96 = 68.74/x
  3. Step 3: Cross multiply
    97.83x = 134.96 × 68.74
  4. Step 4: Simplify right side
    97.83x = 9,277.15
  5. Step 5: Solve for x
    x = 9,277.15/97.83
  6. Step 6: Final answer
    x = 94.83

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