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Finding the Fourth Proportional to 86.00, 118.67 and 48.65

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Solution

The fourth proportional to 86.00, 118.67 and 48.65 is: 67.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86.00 : 118.67 = 48.65 : x
  2. Step 2: Convert to fraction form
    86.00/118.67 = 48.65/x
  3. Step 3: Cross multiply
    86.00x = 118.67 × 48.65
  4. Step 4: Simplify right side
    86.00x = 5,773.05
  5. Step 5: Solve for x
    x = 5,773.05/86.00
  6. Step 6: Final answer
    x = 67.13

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