Home / 40,146.91-60,220.19-10,161.25

Finding the Fourth Proportional to 40,146.91, 60,220.19 and 10,161.25

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Solution

The fourth proportional to 40,146.91, 60,220.19 and 10,161.25 is: 15,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.91 : 60,220.19 = 10,161.25 : x
  2. Step 2: Convert to fraction form
    40,146.91/60,220.19 = 10,161.25/x
  3. Step 3: Cross multiply
    40,146.91x = 60,220.19 × 10,161.25
  4. Step 4: Simplify right side
    40,146.91x = 611,912,280.49
  5. Step 5: Solve for x
    x = 611,912,280.49/40,146.91
  6. Step 6: Final answer
    x = 15,241.83

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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.