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Finding the Fourth Proportional to 143,879.19, 198,545.99 and 79,359.65

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Solution

The fourth proportional to 143,879.19, 198,545.99 and 79,359.65 is: 109,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,879.19 : 198,545.99 = 79,359.65 : x
  2. Step 2: Convert to fraction form
    143,879.19/198,545.99 = 79,359.65/x
  3. Step 3: Cross multiply
    143,879.19x = 198,545.99 × 79,359.65
  4. Step 4: Simplify right side
    143,879.19x = 15,756,540,275.30
  5. Step 5: Solve for x
    x = 15,756,540,275.30/143,879.19
  6. Step 6: Final answer
    x = 109,512.30

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