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Finding the Fourth Proportional to 124.43, 186.67 and 43.25

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Solution

The fourth proportional to 124.43, 186.67 and 43.25 is: 64.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.43 : 186.67 = 43.25 : x
  2. Step 2: Convert to fraction form
    124.43/186.67 = 43.25/x
  3. Step 3: Cross multiply
    124.43x = 186.67 × 43.25
  4. Step 4: Simplify right side
    124.43x = 8,073.48
  5. Step 5: Solve for x
    x = 8,073.48/124.43
  6. Step 6: Final answer
    x = 64.88

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