Home / 60,121.96-90,180.47-15,747.73

Finding the Fourth Proportional to 60,121.96, 90,180.47 and 15,747.73

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Solution

The fourth proportional to 60,121.96, 90,180.47 and 15,747.73 is: 23,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,121.96 : 90,180.47 = 15,747.73 : x
  2. Step 2: Convert to fraction form
    60,121.96/90,180.47 = 15,747.73/x
  3. Step 3: Cross multiply
    60,121.96x = 90,180.47 × 15,747.73
  4. Step 4: Simplify right side
    60,121.96x = 1,420,137,506.75
  5. Step 5: Solve for x
    x = 1,420,137,506.75/60,121.96
  6. Step 6: Final answer
    x = 23,620.95

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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.