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Finding the Fourth Proportional to 132,849.40, 199,274.10 and 80,231.80

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Solution

The fourth proportional to 132,849.40, 199,274.10 and 80,231.80 is: 120,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,849.40 : 199,274.10 = 80,231.80 : x
  2. Step 2: Convert to fraction form
    132,849.40/199,274.10 = 80,231.80/x
  3. Step 3: Cross multiply
    132,849.40x = 199,274.10 × 80,231.80
  4. Step 4: Simplify right side
    132,849.40x = 15,988,119,736.38
  5. Step 5: Solve for x
    x = 15,988,119,736.38/132,849.40
  6. Step 6: Final answer
    x = 120,347.70

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