Home / 303,108.12-454,613.20-143,183.72

Finding the Fourth Proportional to 303,108.12, 454,613.20 and 143,183.72

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Solution

The fourth proportional to 303,108.12, 454,613.20 and 143,183.72 is: 214,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,108.12 : 454,613.20 = 143,183.72 : x
  2. Step 2: Convert to fraction form
    303,108.12/454,613.20 = 143,183.72/x
  3. Step 3: Cross multiply
    303,108.12x = 454,613.20 × 143,183.72
  4. Step 4: Simplify right side
    303,108.12x = 65,093,209,137.10
  5. Step 5: Solve for x
    x = 65,093,209,137.10/303,108.12
  6. Step 6: Final answer
    x = 214,752.44

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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.