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Finding the Fourth Proportional to 200,062.20, 300,093.30 and 121,330.20

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Solution

The fourth proportional to 200,062.20, 300,093.30 and 121,330.20 is: 181,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,062.20 : 300,093.30 = 121,330.20 : x
  2. Step 2: Convert to fraction form
    200,062.20/300,093.30 = 121,330.20/x
  3. Step 3: Cross multiply
    200,062.20x = 300,093.30 × 121,330.20
  4. Step 4: Simplify right side
    200,062.20x = 36,410,380,107.66
  5. Step 5: Solve for x
    x = 36,410,380,107.66/200,062.20
  6. Step 6: Final answer
    x = 181,995.30

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