Home / 239,928.80-331,092.70-131,029.52

Finding the Fourth Proportional to 239,928.80, 331,092.70 and 131,029.52

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Solution

The fourth proportional to 239,928.80, 331,092.70 and 131,029.52 is: 180,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,928.80 : 331,092.70 = 131,029.52 : x
  2. Step 2: Convert to fraction form
    239,928.80/331,092.70 = 131,029.52/x
  3. Step 3: Cross multiply
    239,928.80x = 331,092.70 × 131,029.52
  4. Step 4: Simplify right side
    239,928.80x = 43,382,915,573.47
  5. Step 5: Solve for x
    x = 43,382,915,573.47/239,928.80
  6. Step 6: Final answer
    x = 180,815.79

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