Home / 165,751.20-248,626.80-123,760.80

Finding the Fourth Proportional to 165,751.20, 248,626.80 and 123,760.80

Calculator

Solution

The fourth proportional to 165,751.20, 248,626.80 and 123,760.80 is: 185,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,751.20 : 248,626.80 = 123,760.80 : x
  2. Step 2: Convert to fraction form
    165,751.20/248,626.80 = 123,760.80/x
  3. Step 3: Cross multiply
    165,751.20x = 248,626.80 × 123,760.80
  4. Step 4: Simplify right side
    165,751.20x = 30,770,251,669.44
  5. Step 5: Solve for x
    x = 30,770,251,669.44/165,751.20
  6. Step 6: Final answer
    x = 185,641.20

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.