Home / 69,456.32-104,183.70-16,865.78

Finding the Fourth Proportional to 69,456.32, 104,183.70 and 16,865.78

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Solution

The fourth proportional to 69,456.32, 104,183.70 and 16,865.78 is: 25,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,456.32 : 104,183.70 = 16,865.78 : x
  2. Step 2: Convert to fraction form
    69,456.32/104,183.70 = 16,865.78/x
  3. Step 3: Cross multiply
    69,456.32x = 104,183.70 × 16,865.78
  4. Step 4: Simplify right side
    69,456.32x = 1,757,139,363.79
  5. Step 5: Solve for x
    x = 1,757,139,363.79/69,456.32
  6. Step 6: Final answer
    x = 25,298.48

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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.