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Finding the Fourth Proportional to 118,708.20, 177,716.70 and 115,252.20

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Solution

The fourth proportional to 118,708.20, 177,716.70 and 115,252.20 is: 172,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,708.20 : 177,716.70 = 115,252.20 : x
  2. Step 2: Convert to fraction form
    118,708.20/177,716.70 = 115,252.20/x
  3. Step 3: Cross multiply
    118,708.20x = 177,716.70 × 115,252.20
  4. Step 4: Simplify right side
    118,708.20x = 20,482,240,651.74
  5. Step 5: Solve for x
    x = 20,482,240,651.74/118,708.20
  6. Step 6: Final answer
    x = 172,542.76

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