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Finding the Fourth Proportional to 118,195.20, 177,292.80 and 91,756.80

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Solution

The fourth proportional to 118,195.20, 177,292.80 and 91,756.80 is: 137,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,195.20 : 177,292.80 = 91,756.80 : x
  2. Step 2: Convert to fraction form
    118,195.20/177,292.80 = 91,756.80/x
  3. Step 3: Cross multiply
    118,195.20x = 177,292.80 × 91,756.80
  4. Step 4: Simplify right side
    118,195.20x = 16,267,819,991.04
  5. Step 5: Solve for x
    x = 16,267,819,991.04/118,195.20
  6. Step 6: Final answer
    x = 137,635.20

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