Home / 84,103.86-126,208.31-34,183.94

Finding the Fourth Proportional to 84,103.86, 126,208.31 and 34,183.94

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Solution

The fourth proportional to 84,103.86, 126,208.31 and 34,183.94 is: 51,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,103.86 : 126,208.31 = 34,183.94 : x
  2. Step 2: Convert to fraction form
    84,103.86/126,208.31 = 34,183.94/x
  3. Step 3: Cross multiply
    84,103.86x = 126,208.31 × 34,183.94
  4. Step 4: Simplify right side
    84,103.86x = 4,314,297,296.54
  5. Step 5: Solve for x
    x = 4,314,297,296.54/84,103.86
  6. Step 6: Final answer
    x = 51,297.26

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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.