Home / 108,168.72-149,259.41-60,431.06

Finding the Fourth Proportional to 108,168.72, 149,259.41 and 60,431.06

Calculator

Solution

The fourth proportional to 108,168.72, 149,259.41 and 60,431.06 is: 83,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,168.72 : 149,259.41 = 60,431.06 : x
  2. Step 2: Convert to fraction form
    108,168.72/149,259.41 = 60,431.06/x
  3. Step 3: Cross multiply
    108,168.72x = 149,259.41 × 60,431.06
  4. Step 4: Simplify right side
    108,168.72x = 9,019,904,658.88
  5. Step 5: Solve for x
    x = 9,019,904,658.88/108,168.72
  6. Step 6: Final answer
    x = 83,387.37

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.