Home / 202,834.27-279,908.89-112,183.12

Finding the Fourth Proportional to 202,834.27, 279,908.89 and 112,183.12

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Solution

The fourth proportional to 202,834.27, 279,908.89 and 112,183.12 is: 154,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,834.27 : 279,908.89 = 112,183.12 : x
  2. Step 2: Convert to fraction form
    202,834.27/279,908.89 = 112,183.12/x
  3. Step 3: Cross multiply
    202,834.27x = 279,908.89 × 112,183.12
  4. Step 4: Simplify right side
    202,834.27x = 31,401,052,595.94
  5. Step 5: Solve for x
    x = 31,401,052,595.94/202,834.27
  6. Step 6: Final answer
    x = 154,811.38

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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.