Home / 131,972.40-197,958.60-32,131.80

Finding the Fourth Proportional to 131,972.40, 197,958.60 and 32,131.80

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Solution

The fourth proportional to 131,972.40, 197,958.60 and 32,131.80 is: 48,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,972.40 : 197,958.60 = 32,131.80 : x
  2. Step 2: Convert to fraction form
    131,972.40/197,958.60 = 32,131.80/x
  3. Step 3: Cross multiply
    131,972.40x = 197,958.60 × 32,131.80
  4. Step 4: Simplify right side
    131,972.40x = 6,360,766,143.48
  5. Step 5: Solve for x
    x = 6,360,766,143.48/131,972.40
  6. Step 6: Final answer
    x = 48,197.70

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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.