Home / 220,263.82-303,945.19-122,150.21

Finding the Fourth Proportional to 220,263.82, 303,945.19 and 122,150.21

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Solution

The fourth proportional to 220,263.82, 303,945.19 and 122,150.21 is: 168,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,263.82 : 303,945.19 = 122,150.21 : x
  2. Step 2: Convert to fraction form
    220,263.82/303,945.19 = 122,150.21/x
  3. Step 3: Cross multiply
    220,263.82x = 303,945.19 × 122,150.21
  4. Step 4: Simplify right side
    220,263.82x = 37,126,969,996.79
  5. Step 5: Solve for x
    x = 37,126,969,996.79/220,263.82
  6. Step 6: Final answer
    x = 168,556.83

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1.5x scale

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.