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Finding the Fourth Proportional to 192,660.80, 288,991.20 and 160,001.60

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Solution

The fourth proportional to 192,660.80, 288,991.20 and 160,001.60 is: 240,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,660.80 : 288,991.20 = 160,001.60 : x
  2. Step 2: Convert to fraction form
    192,660.80/288,991.20 = 160,001.60/x
  3. Step 3: Cross multiply
    192,660.80x = 288,991.20 × 160,001.60
  4. Step 4: Simplify right side
    192,660.80x = 46,239,054,385.92
  5. Step 5: Solve for x
    x = 46,239,054,385.92/192,660.80
  6. Step 6: Final answer
    x = 240,002.40

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