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Finding the Fourth Proportional to 411,198.80, 616,798.20 and 130,744.40

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Solution

The fourth proportional to 411,198.80, 616,798.20 and 130,744.40 is: 196,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,198.80 : 616,798.20 = 130,744.40 : x
  2. Step 2: Convert to fraction form
    411,198.80/616,798.20 = 130,744.40/x
  3. Step 3: Cross multiply
    411,198.80x = 616,798.20 × 130,744.40
  4. Step 4: Simplify right side
    411,198.80x = 80,642,910,580.08
  5. Step 5: Solve for x
    x = 80,642,910,580.08/411,198.80
  6. Step 6: Final answer
    x = 196,116.60

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