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Finding the Fourth Proportional to 192,057.80, 288,086.70 and 165,792.20

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Solution

The fourth proportional to 192,057.80, 288,086.70 and 165,792.20 is: 248,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,057.80 : 288,086.70 = 165,792.20 : x
  2. Step 2: Convert to fraction form
    192,057.80/288,086.70 = 165,792.20/x
  3. Step 3: Cross multiply
    192,057.80x = 288,086.70 × 165,792.20
  4. Step 4: Simplify right side
    192,057.80x = 47,762,527,783.74
  5. Step 5: Solve for x
    x = 47,762,527,783.74/192,057.80
  6. Step 6: Final answer
    x = 248,688.30

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