Home / 205,311.82-308,514.48-110,614.72

Finding the Fourth Proportional to 205,311.82, 308,514.48 and 110,614.72

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Solution

The fourth proportional to 205,311.82, 308,514.48 and 110,614.72 is: 166,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,311.82 : 308,514.48 = 110,614.72 : x
  2. Step 2: Convert to fraction form
    205,311.82/308,514.48 = 110,614.72/x
  3. Step 3: Cross multiply
    205,311.82x = 308,514.48 × 110,614.72
  4. Step 4: Simplify right side
    205,311.82x = 34,126,242,049.86
  5. Step 5: Solve for x
    x = 34,126,242,049.86/205,311.82
  6. Step 6: Final answer
    x = 166,216.65

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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.