Home / 381,837.60-572,756.40-132,519.60

Finding the Fourth Proportional to 381,837.60, 572,756.40 and 132,519.60

Calculator

Solution

The fourth proportional to 381,837.60, 572,756.40 and 132,519.60 is: 198,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,837.60 : 572,756.40 = 132,519.60 : x
  2. Step 2: Convert to fraction form
    381,837.60/572,756.40 = 132,519.60/x
  3. Step 3: Cross multiply
    381,837.60x = 572,756.40 × 132,519.60
  4. Step 4: Simplify right side
    381,837.60x = 75,901,449,025.44
  5. Step 5: Solve for x
    x = 75,901,449,025.44/381,837.60
  6. Step 6: Final answer
    x = 198,779.40

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.