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Finding the Fourth Proportional to 206,616.30, 309,924.45 and 73,646.70

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Solution

The fourth proportional to 206,616.30, 309,924.45 and 73,646.70 is: 110,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,616.30 : 309,924.45 = 73,646.70 : x
  2. Step 2: Convert to fraction form
    206,616.30/309,924.45 = 73,646.70/x
  3. Step 3: Cross multiply
    206,616.30x = 309,924.45 × 73,646.70
  4. Step 4: Simplify right side
    206,616.30x = 22,824,912,991.82
  5. Step 5: Solve for x
    x = 22,824,912,991.82/206,616.30
  6. Step 6: Final answer
    x = 110,470.05

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