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Finding the Fourth Proportional to 213,793.40, 320,471.40 and 125,001.20

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Solution

The fourth proportional to 213,793.40, 320,471.40 and 125,001.20 is: 187,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,793.40 : 320,471.40 = 125,001.20 : x
  2. Step 2: Convert to fraction form
    213,793.40/320,471.40 = 125,001.20/x
  3. Step 3: Cross multiply
    213,793.40x = 320,471.40 × 125,001.20
  4. Step 4: Simplify right side
    213,793.40x = 40,059,309,565.68
  5. Step 5: Solve for x
    x = 40,059,309,565.68/213,793.40
  6. Step 6: Final answer
    x = 187,373.93

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