Home / 109,625.32-151,156.83-80,986.42

Finding the Fourth Proportional to 109,625.32, 151,156.83 and 80,986.42

Calculator

Solution

The fourth proportional to 109,625.32, 151,156.83 and 80,986.42 is: 111,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,625.32 : 151,156.83 = 80,986.42 : x
  2. Step 2: Convert to fraction form
    109,625.32/151,156.83 = 80,986.42/x
  3. Step 3: Cross multiply
    109,625.32x = 151,156.83 × 80,986.42
  4. Step 4: Simplify right side
    109,625.32x = 12,241,650,520.25
  5. Step 5: Solve for x
    x = 12,241,650,520.25/109,625.32
  6. Step 6: Final answer
    x = 111,668.09

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.