Home / 100,218.65-150,341.82-33,677.81

Finding the Fourth Proportional to 100,218.65, 150,341.82 and 33,677.81

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Solution

The fourth proportional to 100,218.65, 150,341.82 and 33,677.81 is: 50,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,218.65 : 150,341.82 = 33,677.81 : x
  2. Step 2: Convert to fraction form
    100,218.65/150,341.82 = 33,677.81/x
  3. Step 3: Cross multiply
    100,218.65x = 150,341.82 × 33,677.81
  4. Step 4: Simplify right side
    100,218.65x = 5,063,183,249.01
  5. Step 5: Solve for x
    x = 5,063,183,249.01/100,218.65
  6. Step 6: Final answer
    x = 50,521.37

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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.