Home / 268,796.77-403,253.47-81,803.41

Finding the Fourth Proportional to 268,796.77, 403,253.47 and 81,803.41

Calculator

Solution

The fourth proportional to 268,796.77, 403,253.47 and 81,803.41 is: 122,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,796.77 : 403,253.47 = 81,803.41 : x
  2. Step 2: Convert to fraction form
    268,796.77/403,253.47 = 81,803.41/x
  3. Step 3: Cross multiply
    268,796.77x = 403,253.47 × 81,803.41
  4. Step 4: Simplify right side
    268,796.77x = 32,987,508,940.33
  5. Step 5: Solve for x
    x = 32,987,508,940.33/268,796.77
  6. Step 6: Final answer
    x = 122,722.86

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.