Home / 217,641.56-300,360.23-120,850.41

Finding the Fourth Proportional to 217,641.56, 300,360.23 and 120,850.41

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Solution

The fourth proportional to 217,641.56, 300,360.23 and 120,850.41 is: 166,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,641.56 : 300,360.23 = 120,850.41 : x
  2. Step 2: Convert to fraction form
    217,641.56/300,360.23 = 120,850.41/x
  3. Step 3: Cross multiply
    217,641.56x = 300,360.23 × 120,850.41
  4. Step 4: Simplify right side
    217,641.56x = 36,298,656,338.94
  5. Step 5: Solve for x
    x = 36,298,656,338.94/217,641.56
  6. Step 6: Final answer
    x = 166,781.83

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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.