Home / 95,139.33-142,718.40-35,183.54

Finding the Fourth Proportional to 95,139.33, 142,718.40 and 35,183.54

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Solution

The fourth proportional to 95,139.33, 142,718.40 and 35,183.54 is: 52,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,139.33 : 142,718.40 = 35,183.54 : x
  2. Step 2: Convert to fraction form
    95,139.33/142,718.40 = 35,183.54/x
  3. Step 3: Cross multiply
    95,139.33x = 142,718.40 × 35,183.54
  4. Step 4: Simplify right side
    95,139.33x = 5,021,337,821.54
  5. Step 5: Solve for x
    x = 5,021,337,821.54/95,139.33
  6. Step 6: Final answer
    x = 52,778.78

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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.