Home / 431,698.20-647,595.90-132,176.40

Finding the Fourth Proportional to 431,698.20, 647,595.90 and 132,176.40

Calculator

Solution

The fourth proportional to 431,698.20, 647,595.90 and 132,176.40 is: 198,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,698.20 : 647,595.90 = 132,176.40 : x
  2. Step 2: Convert to fraction form
    431,698.20/647,595.90 = 132,176.40/x
  3. Step 3: Cross multiply
    431,698.20x = 647,595.90 × 132,176.40
  4. Step 4: Simplify right side
    431,698.20x = 85,596,894,716.76
  5. Step 5: Solve for x
    x = 85,596,894,716.76/431,698.20
  6. Step 6: Final answer
    x = 198,279.48

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.