Home / 110,423.20-165,634.80-75,431.20

Finding the Fourth Proportional to 110,423.20, 165,634.80 and 75,431.20

Calculator

Solution

The fourth proportional to 110,423.20, 165,634.80 and 75,431.20 is: 113,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,423.20 : 165,634.80 = 75,431.20 : x
  2. Step 2: Convert to fraction form
    110,423.20/165,634.80 = 75,431.20/x
  3. Step 3: Cross multiply
    110,423.20x = 165,634.80 × 75,431.20
  4. Step 4: Simplify right side
    110,423.20x = 12,494,031,725.76
  5. Step 5: Solve for x
    x = 12,494,031,725.76/110,423.20
  6. Step 6: Final answer
    x = 113,146.80

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.