Home / 112,790.29-155,640.24-65,034.41

Finding the Fourth Proportional to 112,790.29, 155,640.24 and 65,034.41

Calculator

Solution

The fourth proportional to 112,790.29, 155,640.24 and 65,034.41 is: 89,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,790.29 : 155,640.24 = 65,034.41 : x
  2. Step 2: Convert to fraction form
    112,790.29/155,640.24 = 65,034.41/x
  3. Step 3: Cross multiply
    112,790.29x = 155,640.24 × 65,034.41
  4. Step 4: Simplify right side
    112,790.29x = 10,121,971,180.66
  5. Step 5: Solve for x
    x = 10,121,971,180.66/112,790.29
  6. Step 6: Final answer
    x = 89,741.51

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.