Home / 202,469.15-279,399.85-111,823.16

Finding the Fourth Proportional to 202,469.15, 279,399.85 and 111,823.16

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Solution

The fourth proportional to 202,469.15, 279,399.85 and 111,823.16 is: 154,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,469.15 : 279,399.85 = 111,823.16 : x
  2. Step 2: Convert to fraction form
    202,469.15/279,399.85 = 111,823.16/x
  3. Step 3: Cross multiply
    202,469.15x = 279,399.85 × 111,823.16
  4. Step 4: Simplify right side
    202,469.15x = 31,243,372,453.97
  5. Step 5: Solve for x
    x = 31,243,372,453.97/202,469.15
  6. Step 6: Final answer
    x = 154,311.77

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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.