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Finding the Fourth Proportional to 218,966.60, 327,793.80 and 130,174.40

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Solution

The fourth proportional to 218,966.60, 327,793.80 and 130,174.40 is: 194,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,966.60 : 327,793.80 = 130,174.40 : x
  2. Step 2: Convert to fraction form
    218,966.60/327,793.80 = 130,174.40/x
  3. Step 3: Cross multiply
    218,966.60x = 327,793.80 × 130,174.40
  4. Step 4: Simplify right side
    218,966.60x = 42,670,361,238.72
  5. Step 5: Solve for x
    x = 42,670,361,238.72/218,966.60
  6. Step 6: Final answer
    x = 194,871.55

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