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Finding the Fourth Proportional to 206,374.66, 309,561.99 and 165,084.10

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Solution

The fourth proportional to 206,374.66, 309,561.99 and 165,084.10 is: 247,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,374.66 : 309,561.99 = 165,084.10 : x
  2. Step 2: Convert to fraction form
    206,374.66/309,561.99 = 165,084.10/x
  3. Step 3: Cross multiply
    206,374.66x = 309,561.99 × 165,084.10
  4. Step 4: Simplify right side
    206,374.66x = 51,103,762,513.36
  5. Step 5: Solve for x
    x = 51,103,762,513.36/206,374.66
  6. Step 6: Final answer
    x = 247,626.15

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