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Finding the Fourth Proportional to 199,666.68, 275,545.70 and 109,028.40

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Solution

The fourth proportional to 199,666.68, 275,545.70 and 109,028.40 is: 150,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,666.68 : 275,545.70 = 109,028.40 : x
  2. Step 2: Convert to fraction form
    199,666.68/275,545.70 = 109,028.40/x
  3. Step 3: Cross multiply
    199,666.68x = 275,545.70 × 109,028.40
  4. Step 4: Simplify right side
    199,666.68x = 30,042,306,797.88
  5. Step 5: Solve for x
    x = 30,042,306,797.88/199,666.68
  6. Step 6: Final answer
    x = 150,462.29

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