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Finding the Fourth Proportional to 199,067.60, 298,601.40 and 74,392.40

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Solution

The fourth proportional to 199,067.60, 298,601.40 and 74,392.40 is: 111,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,067.60 : 298,601.40 = 74,392.40 : x
  2. Step 2: Convert to fraction form
    199,067.60/298,601.40 = 74,392.40/x
  3. Step 3: Cross multiply
    199,067.60x = 298,601.40 × 74,392.40
  4. Step 4: Simplify right side
    199,067.60x = 22,213,674,789.36
  5. Step 5: Solve for x
    x = 22,213,674,789.36/199,067.60
  6. Step 6: Final answer
    x = 111,588.60

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