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Finding the Fourth Proportional to 176,711.80, 265,067.70 and 76,919.80

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Solution

The fourth proportional to 176,711.80, 265,067.70 and 76,919.80 is: 115,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,711.80 : 265,067.70 = 76,919.80 : x
  2. Step 2: Convert to fraction form
    176,711.80/265,067.70 = 76,919.80/x
  3. Step 3: Cross multiply
    176,711.80x = 265,067.70 × 76,919.80
  4. Step 4: Simplify right side
    176,711.80x = 20,388,954,470.46
  5. Step 5: Solve for x
    x = 20,388,954,470.46/176,711.80
  6. Step 6: Final answer
    x = 115,379.70

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