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Finding the Fourth Proportional to 129,976.32, 195,042.16 and 119,400.96

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Solution

The fourth proportional to 129,976.32, 195,042.16 and 119,400.96 is: 179,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,976.32 : 195,042.16 = 119,400.96 : x
  2. Step 2: Convert to fraction form
    129,976.32/195,042.16 = 119,400.96/x
  3. Step 3: Cross multiply
    129,976.32x = 195,042.16 × 119,400.96
  4. Step 4: Simplify right side
    129,976.32x = 23,288,221,144.47
  5. Step 5: Solve for x
    x = 23,288,221,144.47/129,976.32
  6. Step 6: Final answer
    x = 179,172.80

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