Home / 84,195.53-126,183.95-34,217.47

Finding the Fourth Proportional to 84,195.53, 126,183.95 and 34,217.47

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Solution

The fourth proportional to 84,195.53, 126,183.95 and 34,217.47 is: 51,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,195.53 : 126,183.95 = 34,217.47 : x
  2. Step 2: Convert to fraction form
    84,195.53/126,183.95 = 34,217.47/x
  3. Step 3: Cross multiply
    84,195.53x = 126,183.95 × 34,217.47
  4. Step 4: Simplify right side
    84,195.53x = 4,317,695,480.83
  5. Step 5: Solve for x
    x = 4,317,695,480.83/84,195.53
  6. Step 6: Final answer
    x = 51,281.76

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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.