Home / 100,936.15-139,293.50-55,613.47

Finding the Fourth Proportional to 100,936.15, 139,293.50 and 55,613.47

Calculator

Solution

The fourth proportional to 100,936.15, 139,293.50 and 55,613.47 is: 76,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,936.15 : 139,293.50 = 55,613.47 : x
  2. Step 2: Convert to fraction form
    100,936.15/139,293.50 = 55,613.47/x
  3. Step 3: Cross multiply
    100,936.15x = 139,293.50 × 55,613.47
  4. Step 4: Simplify right side
    100,936.15x = 7,746,594,883.45
  5. Step 5: Solve for x
    x = 7,746,594,883.45/100,936.15
  6. Step 6: Final answer
    x = 76,747.48

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.