Home / 199,640.37-275,507.60-108,996.56

Finding the Fourth Proportional to 199,640.37, 275,507.60 and 108,996.56

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Solution

The fourth proportional to 199,640.37, 275,507.60 and 108,996.56 is: 150,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,640.37 : 275,507.60 = 108,996.56 : x
  2. Step 2: Convert to fraction form
    199,640.37/275,507.60 = 108,996.56/x
  3. Step 3: Cross multiply
    199,640.37x = 275,507.60 × 108,996.56
  4. Step 4: Simplify right side
    199,640.37x = 30,029,380,653.86
  5. Step 5: Solve for x
    x = 30,029,380,653.86/199,640.37
  6. Step 6: Final answer
    x = 150,417.38

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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.