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Finding the Fourth Proportional to 200,067.35, 300,101.33 and 81,738.81

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Solution

The fourth proportional to 200,067.35, 300,101.33 and 81,738.81 is: 122,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,067.35 : 300,101.33 = 81,738.81 : x
  2. Step 2: Convert to fraction form
    200,067.35/300,101.33 = 81,738.81/x
  3. Step 3: Cross multiply
    200,067.35x = 300,101.33 × 81,738.81
  4. Step 4: Simplify right side
    200,067.35x = 24,529,925,593.62
  5. Step 5: Solve for x
    x = 24,529,925,593.62/200,067.35
  6. Step 6: Final answer
    x = 122,608.34

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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.