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Finding the Fourth Proportional to 171,168.80, 256,267.20 and 161,859.20

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Solution

The fourth proportional to 171,168.80, 256,267.20 and 161,859.20 is: 242,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,168.80 : 256,267.20 = 161,859.20 : x
  2. Step 2: Convert to fraction form
    171,168.80/256,267.20 = 161,859.20/x
  3. Step 3: Cross multiply
    171,168.80x = 256,267.20 × 161,859.20
  4. Step 4: Simplify right side
    171,168.80x = 41,479,203,978.24
  5. Step 5: Solve for x
    x = 41,479,203,978.24/171,168.80
  6. Step 6: Final answer
    x = 242,329.23

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