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Finding the Fourth Proportional to 94.77, 142.25 and 64.33

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Solution

The fourth proportional to 94.77, 142.25 and 64.33 is: 96.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.77 : 142.25 = 64.33 : x
  2. Step 2: Convert to fraction form
    94.77/142.25 = 64.33/x
  3. Step 3: Cross multiply
    94.77x = 142.25 × 64.33
  4. Step 4: Simplify right side
    94.77x = 9,150.94
  5. Step 5: Solve for x
    x = 9,150.94/94.77
  6. Step 6: Final answer
    x = 96.56

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