Home / 128,329-192,493.50-53,484.40

Finding the Fourth Proportional to 128,329, 192,493.50 and 53,484.40

Calculator

Solution

The fourth proportional to 128,329, 192,493.50 and 53,484.40 is: 80,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,329 : 192,493.50 = 53,484.40 : x
  2. Step 2: Convert to fraction form
    128,329/192,493.50 = 53,484.40/x
  3. Step 3: Cross multiply
    128,329x = 192,493.50 × 53,484.40
  4. Step 4: Simplify right side
    128,329x = 10,295,399,351.40
  5. Step 5: Solve for x
    x = 10,295,399,351.40/128,329
  6. Step 6: Final answer
    x = 80,226.60

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.