Home / 215,082.35-322,666.59-120,447.11

Finding the Fourth Proportional to 215,082.35, 322,666.59 and 120,447.11

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Solution

The fourth proportional to 215,082.35, 322,666.59 and 120,447.11 is: 180,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,082.35 : 322,666.59 = 120,447.11 : x
  2. Step 2: Convert to fraction form
    215,082.35/322,666.59 = 120,447.11/x
  3. Step 3: Cross multiply
    215,082.35x = 322,666.59 × 120,447.11
  4. Step 4: Simplify right side
    215,082.35x = 38,864,256,645.72
  5. Step 5: Solve for x
    x = 38,864,256,645.72/215,082.35
  6. Step 6: Final answer
    x = 180,694.78

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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.