Home / 131,937.70-197,439.38-82,041.29

Finding the Fourth Proportional to 131,937.70, 197,439.38 and 82,041.29

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Solution

The fourth proportional to 131,937.70, 197,439.38 and 82,041.29 is: 122,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,937.70 : 197,439.38 = 82,041.29 : x
  2. Step 2: Convert to fraction form
    131,937.70/197,439.38 = 82,041.29/x
  3. Step 3: Cross multiply
    131,937.70x = 197,439.38 × 82,041.29
  4. Step 4: Simplify right side
    131,937.70x = 16,198,181,021.79
  5. Step 5: Solve for x
    x = 16,198,181,021.79/131,937.70
  6. Step 6: Final answer
    x = 122,771.44

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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.