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Finding the Fourth Proportional to 180,972.80, 271,327.98 and 121,661.36

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Solution

The fourth proportional to 180,972.80, 271,327.98 and 121,661.36 is: 182,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,972.80 : 271,327.98 = 121,661.36 : x
  2. Step 2: Convert to fraction form
    180,972.80/271,327.98 = 121,661.36/x
  3. Step 3: Cross multiply
    180,972.80x = 271,327.98 × 121,661.36
  4. Step 4: Simplify right side
    180,972.80x = 33,010,131,052.85
  5. Step 5: Solve for x
    x = 33,010,131,052.85/180,972.80
  6. Step 6: Final answer
    x = 182,403.83

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