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Finding the Fourth Proportional to 102.25, 154.08 and 92.62

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Solution

The fourth proportional to 102.25, 154.08 and 92.62 is: 139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102.25 : 154.08 = 92.62 : x
  2. Step 2: Convert to fraction form
    102.25/154.08 = 92.62/x
  3. Step 3: Cross multiply
    102.25x = 154.08 × 92.62
  4. Step 4: Simplify right side
    102.25x = 14,270.89
  5. Step 5: Solve for x
    x = 14,270.89/102.25
  6. Step 6: Final answer
    x = 139.57

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