Home / 215,450.27-323,221.71-107,438.49

Finding the Fourth Proportional to 215,450.27, 323,221.71 and 107,438.49

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Solution

The fourth proportional to 215,450.27, 323,221.71 and 107,438.49 is: 161,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,450.27 : 323,221.71 = 107,438.49 : x
  2. Step 2: Convert to fraction form
    215,450.27/323,221.71 = 107,438.49/x
  3. Step 3: Cross multiply
    215,450.27x = 323,221.71 × 107,438.49
  4. Step 4: Simplify right side
    215,450.27x = 34,726,452,457.62
  5. Step 5: Solve for x
    x = 34,726,452,457.62/215,450.27
  6. Step 6: Final answer
    x = 161,180.83

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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.