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Finding the Fourth Proportional to 192,424.80, 288,766.80 and 113,455.20

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Solution

The fourth proportional to 192,424.80, 288,766.80 and 113,455.20 is: 170,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,424.80 : 288,766.80 = 113,455.20 : x
  2. Step 2: Convert to fraction form
    192,424.80/288,766.80 = 113,455.20/x
  3. Step 3: Cross multiply
    192,424.80x = 288,766.80 × 113,455.20
  4. Step 4: Simplify right side
    192,424.80x = 32,762,095,047.36
  5. Step 5: Solve for x
    x = 32,762,095,047.36/192,424.80
  6. Step 6: Final answer
    x = 170,259.21

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