Home / 100,198.80-150,315.51-33,645.35

Finding the Fourth Proportional to 100,198.80, 150,315.51 and 33,645.35

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Solution

The fourth proportional to 100,198.80, 150,315.51 and 33,645.35 is: 50,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,198.80 : 150,315.51 = 33,645.35 : x
  2. Step 2: Convert to fraction form
    100,198.80/150,315.51 = 33,645.35/x
  3. Step 3: Cross multiply
    100,198.80x = 150,315.51 × 33,645.35
  4. Step 4: Simplify right side
    100,198.80x = 5,057,417,944.38
  5. Step 5: Solve for x
    x = 5,057,417,944.38/100,198.80
  6. Step 6: Final answer
    x = 50,473.84

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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.