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Finding the Fourth Proportional to 148.84, 223.10 and 71.76

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Solution

The fourth proportional to 148.84, 223.10 and 71.76 is: 107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.84 : 223.10 = 71.76 : x
  2. Step 2: Convert to fraction form
    148.84/223.10 = 71.76/x
  3. Step 3: Cross multiply
    148.84x = 223.10 × 71.76
  4. Step 4: Simplify right side
    148.84x = 16,009.66
  5. Step 5: Solve for x
    x = 16,009.66/148.84
  6. Step 6: Final answer
    x = 107.56

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