Home / 215,691.03-323,537.34-65,930.73

Finding the Fourth Proportional to 215,691.03, 323,537.34 and 65,930.73

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Solution

The fourth proportional to 215,691.03, 323,537.34 and 65,930.73 is: 98,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,691.03 : 323,537.34 = 65,930.73 : x
  2. Step 2: Convert to fraction form
    215,691.03/323,537.34 = 65,930.73/x
  3. Step 3: Cross multiply
    215,691.03x = 323,537.34 × 65,930.73
  4. Step 4: Simplify right side
    215,691.03x = 21,331,054,401.42
  5. Step 5: Solve for x
    x = 21,331,054,401.42/215,691.03
  6. Step 6: Final answer
    x = 98,896.35

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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.