Home / 131,220.35-196,861.76-42,473.85

Finding the Fourth Proportional to 131,220.35, 196,861.76 and 42,473.85

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Solution

The fourth proportional to 131,220.35, 196,861.76 and 42,473.85 is: 63,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220.35 : 196,861.76 = 42,473.85 : x
  2. Step 2: Convert to fraction form
    131,220.35/196,861.76 = 42,473.85/x
  3. Step 3: Cross multiply
    131,220.35x = 196,861.76 × 42,473.85
  4. Step 4: Simplify right side
    131,220.35x = 8,361,476,073.65
  5. Step 5: Solve for x
    x = 8,361,476,073.65/131,220.35
  6. Step 6: Final answer
    x = 63,720.88

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1.5x scale

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.