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Finding the Fourth Proportional to 94.73, 142.09 and 30.60

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Solution

The fourth proportional to 94.73, 142.09 and 30.60 is: 45.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.73 : 142.09 = 30.60 : x
  2. Step 2: Convert to fraction form
    94.73/142.09 = 30.60/x
  3. Step 3: Cross multiply
    94.73x = 142.09 × 30.60
  4. Step 4: Simplify right side
    94.73x = 4,347.95
  5. Step 5: Solve for x
    x = 4,347.95/94.73
  6. Step 6: Final answer
    x = 45.90

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