Home / 192,085.20-288,127.80-113,288.40

Finding the Fourth Proportional to 192,085.20, 288,127.80 and 113,288.40

Calculator

Solution

The fourth proportional to 192,085.20, 288,127.80 and 113,288.40 is: 169,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,085.20 : 288,127.80 = 113,288.40 : x
  2. Step 2: Convert to fraction form
    192,085.20/288,127.80 = 113,288.40/x
  3. Step 3: Cross multiply
    192,085.20x = 288,127.80 × 113,288.40
  4. Step 4: Simplify right side
    192,085.20x = 32,641,537,457.52
  5. Step 5: Solve for x
    x = 32,641,537,457.52/192,085.20
  6. Step 6: Final answer
    x = 169,932.60

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.