Home / 115,274.22-172,926.45-45,144.42

Finding the Fourth Proportional to 115,274.22, 172,926.45 and 45,144.42

Calculator

Solution

The fourth proportional to 115,274.22, 172,926.45 and 45,144.42 is: 67,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,274.22 : 172,926.45 = 45,144.42 : x
  2. Step 2: Convert to fraction form
    115,274.22/172,926.45 = 45,144.42/x
  3. Step 3: Cross multiply
    115,274.22x = 172,926.45 × 45,144.42
  4. Step 4: Simplify right side
    115,274.22x = 7,806,664,287.91
  5. Step 5: Solve for x
    x = 7,806,664,287.91/115,274.22
  6. Step 6: Final answer
    x = 67,722.55

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.