Home / 100,243.32-150,382.35-33,689.94

Finding the Fourth Proportional to 100,243.32, 150,382.35 and 33,689.94

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Solution

The fourth proportional to 100,243.32, 150,382.35 and 33,689.94 is: 50,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,243.32 : 150,382.35 = 33,689.94 : x
  2. Step 2: Convert to fraction form
    100,243.32/150,382.35 = 33,689.94/x
  3. Step 3: Cross multiply
    100,243.32x = 150,382.35 × 33,689.94
  4. Step 4: Simplify right side
    100,243.32x = 5,066,372,348.56
  5. Step 5: Solve for x
    x = 5,066,372,348.56/100,243.32
  6. Step 6: Final answer
    x = 50,540.75

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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.