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Finding the Fourth Proportional to 199,755.96, 275,660.46 and 109,110.84

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Solution

The fourth proportional to 199,755.96, 275,660.46 and 109,110.84 is: 150,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,755.96 : 275,660.46 = 109,110.84 : x
  2. Step 2: Convert to fraction form
    199,755.96/275,660.46 = 109,110.84/x
  3. Step 3: Cross multiply
    199,755.96x = 275,660.46 × 109,110.84
  4. Step 4: Simplify right side
    199,755.96x = 30,077,544,345.39
  5. Step 5: Solve for x
    x = 30,077,544,345.39/199,755.96
  6. Step 6: Final answer
    x = 150,571.45

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1.5x scale

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.