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Finding the Fourth Proportional to 192,011.40, 288,362.70 and 185,790.60

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Solution

The fourth proportional to 192,011.40, 288,362.70 and 185,790.60 is: 279,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,011.40 : 288,362.70 = 185,790.60 : x
  2. Step 2: Convert to fraction form
    192,011.40/288,362.70 = 185,790.60/x
  3. Step 3: Cross multiply
    192,011.40x = 288,362.70 × 185,790.60
  4. Step 4: Simplify right side
    192,011.40x = 53,575,079,050.62
  5. Step 5: Solve for x
    x = 53,575,079,050.62/192,011.40
  6. Step 6: Final answer
    x = 279,020.30

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