Home / 80,587.18-120,880.74-25,183.18

Finding the Fourth Proportional to 80,587.18, 120,880.74 and 25,183.18

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Solution

The fourth proportional to 80,587.18, 120,880.74 and 25,183.18 is: 37,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,587.18 : 120,880.74 = 25,183.18 : x
  2. Step 2: Convert to fraction form
    80,587.18/120,880.74 = 25,183.18/x
  3. Step 3: Cross multiply
    80,587.18x = 120,880.74 × 25,183.18
  4. Step 4: Simplify right side
    80,587.18x = 3,044,161,433.95
  5. Step 5: Solve for x
    x = 3,044,161,433.95/80,587.18
  6. Step 6: Final answer
    x = 37,774.76

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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.