Home / 206,370.91-309,556.38-136,233.82

Finding the Fourth Proportional to 206,370.91, 309,556.38 and 136,233.82

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Solution

The fourth proportional to 206,370.91, 309,556.38 and 136,233.82 is: 204,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,370.91 : 309,556.38 = 136,233.82 : x
  2. Step 2: Convert to fraction form
    206,370.91/309,556.38 = 136,233.82/x
  3. Step 3: Cross multiply
    206,370.91x = 309,556.38 × 136,233.82
  4. Step 4: Simplify right side
    206,370.91x = 42,172,048,152.77
  5. Step 5: Solve for x
    x = 42,172,048,152.77/206,370.91
  6. Step 6: Final answer
    x = 204,350.74

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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.