Home / 185,668.38-256,225.17-100,785.42

Finding the Fourth Proportional to 185,668.38, 256,225.17 and 100,785.42

Calculator

Solution

The fourth proportional to 185,668.38, 256,225.17 and 100,785.42 is: 139,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,668.38 : 256,225.17 = 100,785.42 : x
  2. Step 2: Convert to fraction form
    185,668.38/256,225.17 = 100,785.42/x
  3. Step 3: Cross multiply
    185,668.38x = 256,225.17 × 100,785.42
  4. Step 4: Simplify right side
    185,668.38x = 25,823,761,373.02
  5. Step 5: Solve for x
    x = 25,823,761,373.02/185,668.38
  6. Step 6: Final answer
    x = 139,085.40

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.