Home / 282,144.23-422,993.67-139,891.41

Finding the Fourth Proportional to 282,144.23, 422,993.67 and 139,891.41

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Solution

The fourth proportional to 282,144.23, 422,993.67 and 139,891.41 is: 209,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,144.23 : 422,993.67 = 139,891.41 : x
  2. Step 2: Convert to fraction form
    282,144.23/422,993.67 = 139,891.41/x
  3. Step 3: Cross multiply
    282,144.23x = 422,993.67 × 139,891.41
  4. Step 4: Simplify right side
    282,144.23x = 59,173,180,917.37
  5. Step 5: Solve for x
    x = 59,173,180,917.37/282,144.23
  6. Step 6: Final answer
    x = 209,726.71

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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.