Home / 261,707.43-392,709.36-111,934.38

Finding the Fourth Proportional to 261,707.43, 392,709.36 and 111,934.38

Calculator

Solution

The fourth proportional to 261,707.43, 392,709.36 and 111,934.38 is: 167,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,707.43 : 392,709.36 = 111,934.38 : x
  2. Step 2: Convert to fraction form
    261,707.43/392,709.36 = 111,934.38/x
  3. Step 3: Cross multiply
    261,707.43x = 392,709.36 × 111,934.38
  4. Step 4: Simplify right side
    261,707.43x = 43,957,678,731.80
  5. Step 5: Solve for x
    x = 43,957,678,731.80/261,707.43
  6. Step 6: Final answer
    x = 167,964.96

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.