Home / 226,921.89-313,014.05-139,721.02

Finding the Fourth Proportional to 226,921.89, 313,014.05 and 139,721.02

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Solution

The fourth proportional to 226,921.89, 313,014.05 and 139,721.02 is: 192,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,921.89 : 313,014.05 = 139,721.02 : x
  2. Step 2: Convert to fraction form
    226,921.89/313,014.05 = 139,721.02/x
  3. Step 3: Cross multiply
    226,921.89x = 313,014.05 × 139,721.02
  4. Step 4: Simplify right side
    226,921.89x = 43,734,641,641.73
  5. Step 5: Solve for x
    x = 43,734,641,641.73/226,921.89
  6. Step 6: Final answer
    x = 192,729.94

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Why These Related Problems?

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