Home / 112,791.62-155,642.08-65,035.74

Finding the Fourth Proportional to 112,791.62, 155,642.08 and 65,035.74

Calculator

Solution

The fourth proportional to 112,791.62, 155,642.08 and 65,035.74 is: 89,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,791.62 : 155,642.08 = 65,035.74 : x
  2. Step 2: Convert to fraction form
    112,791.62/155,642.08 = 65,035.74/x
  3. Step 3: Cross multiply
    112,791.62x = 155,642.08 × 65,035.74
  4. Step 4: Simplify right side
    112,791.62x = 10,122,296,744.55
  5. Step 5: Solve for x
    x = 10,122,296,744.55/112,791.62
  6. Step 6: Final answer
    x = 89,743.34

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.