Home / 121,067.13-181,480.19-57,813.30

Finding the Fourth Proportional to 121,067.13, 181,480.19 and 57,813.30

Calculator

Solution

The fourth proportional to 121,067.13, 181,480.19 and 57,813.30 is: 86,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,067.13 : 181,480.19 = 57,813.30 : x
  2. Step 2: Convert to fraction form
    121,067.13/181,480.19 = 57,813.30/x
  3. Step 3: Cross multiply
    121,067.13x = 181,480.19 × 57,813.30
  4. Step 4: Simplify right side
    121,067.13x = 10,491,968,608.69
  5. Step 5: Solve for x
    x = 10,491,968,608.69/121,067.13
  6. Step 6: Final answer
    x = 86,662.41

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.