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Finding the Fourth Proportional to 109,879.05, 164,843.44 and 35,003.46

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Solution

The fourth proportional to 109,879.05, 164,843.44 and 35,003.46 is: 52,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,879.05 : 164,843.44 = 35,003.46 : x
  2. Step 2: Convert to fraction form
    109,879.05/164,843.44 = 35,003.46/x
  3. Step 3: Cross multiply
    109,879.05x = 164,843.44 × 35,003.46
  4. Step 4: Simplify right side
    109,879.05x = 5,770,091,288.96
  5. Step 5: Solve for x
    x = 5,770,091,288.96/109,879.05
  6. Step 6: Final answer
    x = 52,513.11

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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.