Home / 220,993.88-331,499.03-71,236.33

Finding the Fourth Proportional to 220,993.88, 331,499.03 and 71,236.33

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Solution

The fourth proportional to 220,993.88, 331,499.03 and 71,236.33 is: 106,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,993.88 : 331,499.03 = 71,236.33 : x
  2. Step 2: Convert to fraction form
    220,993.88/331,499.03 = 71,236.33/x
  3. Step 3: Cross multiply
    220,993.88x = 331,499.03 × 71,236.33
  4. Step 4: Simplify right side
    220,993.88x = 23,614,773,110.83
  5. Step 5: Solve for x
    x = 23,614,773,110.83/220,993.88
  6. Step 6: Final answer
    x = 106,857.14

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1.5x scale

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.