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Finding the Fourth Proportional to 181,969.80, 272,906.10 and 55,609.80

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Solution

The fourth proportional to 181,969.80, 272,906.10 and 55,609.80 is: 83,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,969.80 : 272,906.10 = 55,609.80 : x
  2. Step 2: Convert to fraction form
    181,969.80/272,906.10 = 55,609.80/x
  3. Step 3: Cross multiply
    181,969.80x = 272,906.10 × 55,609.80
  4. Step 4: Simplify right side
    181,969.80x = 15,176,253,639.78
  5. Step 5: Solve for x
    x = 15,176,253,639.78/181,969.80
  6. Step 6: Final answer
    x = 83,399.85

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