Home / 225,538.33-311,240.26-122,170.58

Finding the Fourth Proportional to 225,538.33, 311,240.26 and 122,170.58

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Solution

The fourth proportional to 225,538.33, 311,240.26 and 122,170.58 is: 168,593.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,538.33 : 311,240.26 = 122,170.58 : x
  2. Step 2: Convert to fraction form
    225,538.33/311,240.26 = 122,170.58/x
  3. Step 3: Cross multiply
    225,538.33x = 311,240.26 × 122,170.58
  4. Step 4: Simplify right side
    225,538.33x = 38,024,401,221.92
  5. Step 5: Solve for x
    x = 38,024,401,221.92/225,538.33
  6. Step 6: Final answer
    x = 168,593.97

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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.