Home / 100,218.94-150,329.32-30,098.25

Finding the Fourth Proportional to 100,218.94, 150,329.32 and 30,098.25

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Solution

The fourth proportional to 100,218.94, 150,329.32 and 30,098.25 is: 45,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,218.94 : 150,329.32 = 30,098.25 : x
  2. Step 2: Convert to fraction form
    100,218.94/150,329.32 = 30,098.25/x
  3. Step 3: Cross multiply
    100,218.94x = 150,329.32 × 30,098.25
  4. Step 4: Simplify right side
    100,218.94x = 4,524,649,380.44
  5. Step 5: Solve for x
    x = 4,524,649,380.44/100,218.94
  6. Step 6: Final answer
    x = 45,147.65

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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.