Home / 112,143.88-167,909.64-109,169.56

Finding the Fourth Proportional to 112,143.88, 167,909.64 and 109,169.56

Calculator

Solution

The fourth proportional to 112,143.88, 167,909.64 and 109,169.56 is: 163,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,143.88 : 167,909.64 = 109,169.56 : x
  2. Step 2: Convert to fraction form
    112,143.88/167,909.64 = 109,169.56/x
  3. Step 3: Cross multiply
    112,143.88x = 167,909.64 × 109,169.56
  4. Step 4: Simplify right side
    112,143.88x = 18,330,621,518.56
  5. Step 5: Solve for x
    x = 18,330,621,518.56/112,143.88
  6. Step 6: Final answer
    x = 163,456.28

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.