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Finding the Fourth Proportional to 158,264.20, 218,733.78 and 126,771.40

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Solution

The fourth proportional to 158,264.20, 218,733.78 and 126,771.40 is: 175,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,264.20 : 218,733.78 = 126,771.40 : x
  2. Step 2: Convert to fraction form
    158,264.20/218,733.78 = 126,771.40/x
  3. Step 3: Cross multiply
    158,264.20x = 218,733.78 × 126,771.40
  4. Step 4: Simplify right side
    158,264.20x = 27,729,187,517.89
  5. Step 5: Solve for x
    x = 27,729,187,517.89/158,264.20
  6. Step 6: Final answer
    x = 175,208.21

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