Home / 406,372.20-609,587.52-140,128.88

Finding the Fourth Proportional to 406,372.20, 609,587.52 and 140,128.88

Calculator

Solution

The fourth proportional to 406,372.20, 609,587.52 and 140,128.88 is: 210,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,372.20 : 609,587.52 = 140,128.88 : x
  2. Step 2: Convert to fraction form
    406,372.20/609,587.52 = 140,128.88/x
  3. Step 3: Cross multiply
    406,372.20x = 609,587.52 × 140,128.88
  4. Step 4: Simplify right side
    406,372.20x = 85,420,813,391.64
  5. Step 5: Solve for x
    x = 85,420,813,391.64/406,372.20
  6. Step 6: Final answer
    x = 210,203.39

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.