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Finding the Fourth Proportional to 143,818.20, 215,727.30 and 108,826.20

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Solution

The fourth proportional to 143,818.20, 215,727.30 and 108,826.20 is: 163,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,818.20 : 215,727.30 = 108,826.20 : x
  2. Step 2: Convert to fraction form
    143,818.20/215,727.30 = 108,826.20/x
  3. Step 3: Cross multiply
    143,818.20x = 215,727.30 × 108,826.20
  4. Step 4: Simplify right side
    143,818.20x = 23,476,782,295.26
  5. Step 5: Solve for x
    x = 23,476,782,295.26/143,818.20
  6. Step 6: Final answer
    x = 163,239.30

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