Home / 260,047.10-390,037.16-82,556.12

Finding the Fourth Proportional to 260,047.10, 390,037.16 and 82,556.12

Calculator

Solution

The fourth proportional to 260,047.10, 390,037.16 and 82,556.12 is: 123,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,047.10 : 390,037.16 = 82,556.12 : x
  2. Step 2: Convert to fraction form
    260,047.10/390,037.16 = 82,556.12/x
  3. Step 3: Cross multiply
    260,047.10x = 390,037.16 × 82,556.12
  4. Step 4: Simplify right side
    260,047.10x = 32,199,954,585.42
  5. Step 5: Solve for x
    x = 32,199,954,585.42/260,047.10
  6. Step 6: Final answer
    x = 123,823.55

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.