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Finding the Fourth Proportional to 117,939.80, 176,909.70 and 113,274.20

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Solution

The fourth proportional to 117,939.80, 176,909.70 and 113,274.20 is: 169,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,939.80 : 176,909.70 = 113,274.20 : x
  2. Step 2: Convert to fraction form
    117,939.80/176,909.70 = 113,274.20/x
  3. Step 3: Cross multiply
    117,939.80x = 176,909.70 × 113,274.20
  4. Step 4: Simplify right side
    117,939.80x = 20,039,304,739.74
  5. Step 5: Solve for x
    x = 20,039,304,739.74/117,939.80
  6. Step 6: Final answer
    x = 169,911.30

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