Home / 131,227.61-196,687.76-50,121.45

Finding the Fourth Proportional to 131,227.61, 196,687.76 and 50,121.45

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Solution

The fourth proportional to 131,227.61, 196,687.76 and 50,121.45 is: 75,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,227.61 : 196,687.76 = 50,121.45 : x
  2. Step 2: Convert to fraction form
    131,227.61/196,687.76 = 50,121.45/x
  3. Step 3: Cross multiply
    131,227.61x = 196,687.76 × 50,121.45
  4. Step 4: Simplify right side
    131,227.61x = 9,858,275,477.84
  5. Step 5: Solve for x
    x = 9,858,275,477.84/131,227.61
  6. Step 6: Final answer
    x = 75,123.49

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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.