Home / 103,621.02-155,431.52-68,552.48

Finding the Fourth Proportional to 103,621.02, 155,431.52 and 68,552.48

Calculator

Solution

The fourth proportional to 103,621.02, 155,431.52 and 68,552.48 is: 102,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.02 : 155,431.52 = 68,552.48 : x
  2. Step 2: Convert to fraction form
    103,621.02/155,431.52 = 68,552.48/x
  3. Step 3: Cross multiply
    103,621.02x = 155,431.52 × 68,552.48
  4. Step 4: Simplify right side
    103,621.02x = 10,655,216,166.17
  5. Step 5: Solve for x
    x = 10,655,216,166.17/103,621.02
  6. Step 6: Final answer
    x = 102,828.71

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.