Home / 263,526.60-395,328.24-85,989.90

Finding the Fourth Proportional to 263,526.60, 395,328.24 and 85,989.90

Calculator

Solution

The fourth proportional to 263,526.60, 395,328.24 and 85,989.90 is: 128,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,526.60 : 395,328.24 = 85,989.90 : x
  2. Step 2: Convert to fraction form
    263,526.60/395,328.24 = 85,989.90/x
  3. Step 3: Cross multiply
    263,526.60x = 395,328.24 × 85,989.90
  4. Step 4: Simplify right side
    263,526.60x = 33,994,235,824.78
  5. Step 5: Solve for x
    x = 33,994,235,824.78/263,526.60
  6. Step 6: Final answer
    x = 128,997.36

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.