Home / 166,747.38-250,190.39-66,978.33

Finding the Fourth Proportional to 166,747.38, 250,190.39 and 66,978.33

Calculator

Solution

The fourth proportional to 166,747.38, 250,190.39 and 66,978.33 is: 100,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,747.38 : 250,190.39 = 66,978.33 : x
  2. Step 2: Convert to fraction form
    166,747.38/250,190.39 = 66,978.33/x
  3. Step 3: Cross multiply
    166,747.38x = 250,190.39 × 66,978.33
  4. Step 4: Simplify right side
    166,747.38x = 16,757,334,504.25
  5. Step 5: Solve for x
    x = 16,757,334,504.25/166,747.38
  6. Step 6: Final answer
    x = 100,495.34

Related Problems

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.