Home / 226,020.38-311,922.70-125,418.38

Finding the Fourth Proportional to 226,020.38, 311,922.70 and 125,418.38

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Solution

The fourth proportional to 226,020.38, 311,922.70 and 125,418.38 is: 173,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,020.38 : 311,922.70 = 125,418.38 : x
  2. Step 2: Convert to fraction form
    226,020.38/311,922.70 = 125,418.38/x
  3. Step 3: Cross multiply
    226,020.38x = 311,922.70 × 125,418.38
  4. Step 4: Simplify right side
    226,020.38x = 39,120,837,846.07
  5. Step 5: Solve for x
    x = 39,120,837,846.07/226,020.38
  6. Step 6: Final answer
    x = 173,085.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.