Home / 131,469.80-197,204.70-96,218.60

Finding the Fourth Proportional to 131,469.80, 197,204.70 and 96,218.60

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Solution

The fourth proportional to 131,469.80, 197,204.70 and 96,218.60 is: 144,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,469.80 : 197,204.70 = 96,218.60 : x
  2. Step 2: Convert to fraction form
    131,469.80/197,204.70 = 96,218.60/x
  3. Step 3: Cross multiply
    131,469.80x = 197,204.70 × 96,218.60
  4. Step 4: Simplify right side
    131,469.80x = 18,974,760,147.42
  5. Step 5: Solve for x
    x = 18,974,760,147.42/131,469.80
  6. Step 6: Final answer
    x = 144,327.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.