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Finding the Fourth Proportional to 192,033.60, 288,050.40 and 121,012.80

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Solution

The fourth proportional to 192,033.60, 288,050.40 and 121,012.80 is: 181,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,033.60 : 288,050.40 = 121,012.80 : x
  2. Step 2: Convert to fraction form
    192,033.60/288,050.40 = 121,012.80/x
  3. Step 3: Cross multiply
    192,033.60x = 288,050.40 × 121,012.80
  4. Step 4: Simplify right side
    192,033.60x = 34,857,785,445.12
  5. Step 5: Solve for x
    x = 34,857,785,445.12/192,033.60
  6. Step 6: Final answer
    x = 181,519.20

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