Home / 144,761.06-199,778.47-81,119.36

Finding the Fourth Proportional to 144,761.06, 199,778.47 and 81,119.36

Calculator

Solution

The fourth proportional to 144,761.06, 199,778.47 and 81,119.36 is: 111,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,761.06 : 199,778.47 = 81,119.36 : x
  2. Step 2: Convert to fraction form
    144,761.06/199,778.47 = 81,119.36/x
  3. Step 3: Cross multiply
    144,761.06x = 199,778.47 × 81,119.36
  4. Step 4: Simplify right side
    144,761.06x = 16,205,901,924.83
  5. Step 5: Solve for x
    x = 16,205,901,924.83/144,761.06
  6. Step 6: Final answer
    x = 111,949.32

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.