Home / 121,995.11-168,353.24-68,280.13

Finding the Fourth Proportional to 121,995.11, 168,353.24 and 68,280.13

Calculator

Solution

The fourth proportional to 121,995.11, 168,353.24 and 68,280.13 is: 94,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,995.11 : 168,353.24 = 68,280.13 : x
  2. Step 2: Convert to fraction form
    121,995.11/168,353.24 = 68,280.13/x
  3. Step 3: Cross multiply
    121,995.11x = 168,353.24 × 68,280.13
  4. Step 4: Simplify right side
    121,995.11x = 11,495,181,113.12
  5. Step 5: Solve for x
    x = 11,495,181,113.12/121,995.11
  6. Step 6: Final answer
    x = 94,226.57

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.