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Finding the Fourth Proportional to 140,183.80, 210,223.76 and 50,212.49

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Solution

The fourth proportional to 140,183.80, 210,223.76 and 50,212.49 is: 75,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,183.80 : 210,223.76 = 50,212.49 : x
  2. Step 2: Convert to fraction form
    140,183.80/210,223.76 = 50,212.49/x
  3. Step 3: Cross multiply
    140,183.80x = 210,223.76 × 50,212.49
  4. Step 4: Simplify right side
    140,183.80x = 10,555,858,327.09
  5. Step 5: Solve for x
    x = 10,555,858,327.09/140,183.80
  6. Step 6: Final answer
    x = 75,300.13

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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.