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Finding the Fourth Proportional to 367,611.40, 551,481.90 and 131,091.40

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Solution

The fourth proportional to 367,611.40, 551,481.90 and 131,091.40 is: 196,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,611.40 : 551,481.90 = 131,091.40 : x
  2. Step 2: Convert to fraction form
    367,611.40/551,481.90 = 131,091.40/x
  3. Step 3: Cross multiply
    367,611.40x = 551,481.90 × 131,091.40
  4. Step 4: Simplify right side
    367,611.40x = 72,294,534,345.66
  5. Step 5: Solve for x
    x = 72,294,534,345.66/367,611.40
  6. Step 6: Final answer
    x = 196,660.21

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