Home / 100,449.39-150,677.84-25,571.28

Finding the Fourth Proportional to 100,449.39, 150,677.84 and 25,571.28

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Solution

The fourth proportional to 100,449.39, 150,677.84 and 25,571.28 is: 38,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,449.39 : 150,677.84 = 25,571.28 : x
  2. Step 2: Convert to fraction form
    100,449.39/150,677.84 = 25,571.28/x
  3. Step 3: Cross multiply
    100,449.39x = 150,677.84 × 25,571.28
  4. Step 4: Simplify right side
    100,449.39x = 3,853,025,108.58
  5. Step 5: Solve for x
    x = 3,853,025,108.58/100,449.39
  6. Step 6: Final answer
    x = 38,357.87

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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.