Home / 206,631.37-309,910.76-56,835.54

Finding the Fourth Proportional to 206,631.37, 309,910.76 and 56,835.54

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Solution

The fourth proportional to 206,631.37, 309,910.76 and 56,835.54 is: 85,243.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,631.37 : 309,910.76 = 56,835.54 : x
  2. Step 2: Convert to fraction form
    206,631.37/309,910.76 = 56,835.54/x
  3. Step 3: Cross multiply
    206,631.37x = 309,910.76 × 56,835.54
  4. Step 4: Simplify right side
    206,631.37x = 17,613,945,325.37
  5. Step 5: Solve for x
    x = 17,613,945,325.37/206,631.37
  6. Step 6: Final answer
    x = 85,243.33

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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.