Home / 100,239.82-150,377.04-33,686.38

Finding the Fourth Proportional to 100,239.82, 150,377.04 and 33,686.38

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Solution

The fourth proportional to 100,239.82, 150,377.04 and 33,686.38 is: 50,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,239.82 : 150,377.04 = 33,686.38 : x
  2. Step 2: Convert to fraction form
    100,239.82/150,377.04 = 33,686.38/x
  3. Step 3: Cross multiply
    100,239.82x = 150,377.04 × 33,686.38
  4. Step 4: Simplify right side
    100,239.82x = 5,065,658,112.72
  5. Step 5: Solve for x
    x = 5,065,658,112.72/100,239.82
  6. Step 6: Final answer
    x = 50,535.39

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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.