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Finding the Fourth Proportional to 200,202.80, 300,061.20 and 115,800.80

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Solution

The fourth proportional to 200,202.80, 300,061.20 and 115,800.80 is: 173,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,202.80 : 300,061.20 = 115,800.80 : x
  2. Step 2: Convert to fraction form
    200,202.80/300,061.20 = 115,800.80/x
  3. Step 3: Cross multiply
    200,202.80x = 300,061.20 × 115,800.80
  4. Step 4: Simplify right side
    200,202.80x = 34,747,327,008.96
  5. Step 5: Solve for x
    x = 34,747,327,008.96/200,202.80
  6. Step 6: Final answer
    x = 173,560.64

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