Home / 206,054.91-309,126.75-63,897.33

Finding the Fourth Proportional to 206,054.91, 309,126.75 and 63,897.33

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Solution

The fourth proportional to 206,054.91, 309,126.75 and 63,897.33 is: 95,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,054.91 : 309,126.75 = 63,897.33 : x
  2. Step 2: Convert to fraction form
    206,054.91/309,126.75 = 63,897.33/x
  3. Step 3: Cross multiply
    206,054.91x = 309,126.75 × 63,897.33
  4. Step 4: Simplify right side
    206,054.91x = 19,752,372,410.94
  5. Step 5: Solve for x
    x = 19,752,372,410.94/206,054.91
  6. Step 6: Final answer
    x = 95,859.75

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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.