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Finding the Fourth Proportional to 148.91, 223.31 and 124.70

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Solution

The fourth proportional to 148.91, 223.31 and 124.70 is: 187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.91 : 223.31 = 124.70 : x
  2. Step 2: Convert to fraction form
    148.91/223.31 = 124.70/x
  3. Step 3: Cross multiply
    148.91x = 223.31 × 124.70
  4. Step 4: Simplify right side
    148.91x = 27,845.02
  5. Step 5: Solve for x
    x = 27,845.02/148.91
  6. Step 6: Final answer
    x = 187.00

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