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Finding the Fourth Proportional to 159,867.91, 220,617.75 and 88,247.98

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Solution

The fourth proportional to 159,867.91, 220,617.75 and 88,247.98 is: 121,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,867.91 : 220,617.75 = 88,247.98 : x
  2. Step 2: Convert to fraction form
    159,867.91/220,617.75 = 88,247.98/x
  3. Step 3: Cross multiply
    159,867.91x = 220,617.75 × 88,247.98
  4. Step 4: Simplify right side
    159,867.91x = 19,469,070,569.03
  5. Step 5: Solve for x
    x = 19,469,070,569.03/159,867.91
  6. Step 6: Final answer
    x = 121,782.23

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