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Finding the Fourth Proportional to 220,732.53, 331,148.16 and 80,491.16

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Solution

The fourth proportional to 220,732.53, 331,148.16 and 80,491.16 is: 120,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,732.53 : 331,148.16 = 80,491.16 : x
  2. Step 2: Convert to fraction form
    220,732.53/331,148.16 = 80,491.16/x
  3. Step 3: Cross multiply
    220,732.53x = 331,148.16 × 80,491.16
  4. Step 4: Simplify right side
    220,732.53x = 26,654,499,530.27
  5. Step 5: Solve for x
    x = 26,654,499,530.27/220,732.53
  6. Step 6: Final answer
    x = 120,754.74

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