Home / 268,745.58-403,103.79-81,742.50

Finding the Fourth Proportional to 268,745.58, 403,103.79 and 81,742.50

Calculator

Solution

The fourth proportional to 268,745.58, 403,103.79 and 81,742.50 is: 122,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,745.58 : 403,103.79 = 81,742.50 : x
  2. Step 2: Convert to fraction form
    268,745.58/403,103.79 = 81,742.50/x
  3. Step 3: Cross multiply
    268,745.58x = 403,103.79 × 81,742.50
  4. Step 4: Simplify right side
    268,745.58x = 32,950,711,554.08
  5. Step 5: Solve for x
    x = 32,950,711,554.08/268,745.58
  6. Step 6: Final answer
    x = 122,609.32

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.