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Finding the Fourth Proportional to 193,659.20, 290,488.80 and 123,329.60

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Solution

The fourth proportional to 193,659.20, 290,488.80 and 123,329.60 is: 184,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,659.20 : 290,488.80 = 123,329.60 : x
  2. Step 2: Convert to fraction form
    193,659.20/290,488.80 = 123,329.60/x
  3. Step 3: Cross multiply
    193,659.20x = 290,488.80 × 123,329.60
  4. Step 4: Simplify right side
    193,659.20x = 35,825,867,508.48
  5. Step 5: Solve for x
    x = 35,825,867,508.48/193,659.20
  6. Step 6: Final answer
    x = 184,994.40

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