Home / 150,574.09-225,581.84-107,791.21

Finding the Fourth Proportional to 150,574.09, 225,581.84 and 107,791.21

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Solution

The fourth proportional to 150,574.09, 225,581.84 and 107,791.21 is: 161,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,574.09 : 225,581.84 = 107,791.21 : x
  2. Step 2: Convert to fraction form
    150,574.09/225,581.84 = 107,791.21/x
  3. Step 3: Cross multiply
    150,574.09x = 225,581.84 × 107,791.21
  4. Step 4: Simplify right side
    150,574.09x = 24,315,738,062.80
  5. Step 5: Solve for x
    x = 24,315,738,062.80/150,574.09
  6. Step 6: Final answer
    x = 161,486.87

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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.