Home / 131,183.34-181,046.94-80,225.88

Finding the Fourth Proportional to 131,183.34, 181,046.94 and 80,225.88

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Solution

The fourth proportional to 131,183.34, 181,046.94 and 80,225.88 is: 110,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,183.34 : 181,046.94 = 80,225.88 : x
  2. Step 2: Convert to fraction form
    131,183.34/181,046.94 = 80,225.88/x
  3. Step 3: Cross multiply
    131,183.34x = 181,046.94 × 80,225.88
  4. Step 4: Simplify right side
    131,183.34x = 14,524,650,082.81
  5. Step 5: Solve for x
    x = 14,524,650,082.81/131,183.34
  6. Step 6: Final answer
    x = 110,720.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.