Home / 112,742.38-155,578.47-61,752.48

Finding the Fourth Proportional to 112,742.38, 155,578.47 and 61,752.48

Calculator

Solution

The fourth proportional to 112,742.38, 155,578.47 and 61,752.48 is: 85,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,742.38 : 155,578.47 = 61,752.48 : x
  2. Step 2: Convert to fraction form
    112,742.38/155,578.47 = 61,752.48/x
  3. Step 3: Cross multiply
    112,742.38x = 155,578.47 × 61,752.48
  4. Step 4: Simplify right side
    112,742.38x = 9,607,355,889.47
  5. Step 5: Solve for x
    x = 9,607,355,889.47/112,742.38
  6. Step 6: Final answer
    x = 85,215.12

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.