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Finding the Fourth Proportional to 102.73, 154.08 and 59.89

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Solution

The fourth proportional to 102.73, 154.08 and 59.89 is: 89.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102.73 : 154.08 = 59.89 : x
  2. Step 2: Convert to fraction form
    102.73/154.08 = 59.89/x
  3. Step 3: Cross multiply
    102.73x = 154.08 × 59.89
  4. Step 4: Simplify right side
    102.73x = 9,227.85
  5. Step 5: Solve for x
    x = 9,227.85/102.73
  6. Step 6: Final answer
    x = 89.83

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