Home / 188,085.27-259,556.66-102,045.96

Finding the Fourth Proportional to 188,085.27, 259,556.66 and 102,045.96

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Solution

The fourth proportional to 188,085.27, 259,556.66 and 102,045.96 is: 140,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,085.27 : 259,556.66 = 102,045.96 : x
  2. Step 2: Convert to fraction form
    188,085.27/259,556.66 = 102,045.96/x
  3. Step 3: Cross multiply
    188,085.27x = 259,556.66 × 102,045.96
  4. Step 4: Simplify right side
    188,085.27x = 26,486,708,033.86
  5. Step 5: Solve for x
    x = 26,486,708,033.86/188,085.27
  6. Step 6: Final answer
    x = 140,822.87

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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.