Home / 125,399.10-173,045.29-71,687.58

Finding the Fourth Proportional to 125,399.10, 173,045.29 and 71,687.58

Calculator

Solution

The fourth proportional to 125,399.10, 173,045.29 and 71,687.58 is: 98,925.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,399.10 : 173,045.29 = 71,687.58 : x
  2. Step 2: Convert to fraction form
    125,399.10/173,045.29 = 71,687.58/x
  3. Step 3: Cross multiply
    125,399.10x = 173,045.29 × 71,687.58
  4. Step 4: Simplify right side
    125,399.10x = 12,405,197,674.97
  5. Step 5: Solve for x
    x = 12,405,197,674.97/125,399.10
  6. Step 6: Final answer
    x = 98,925.73

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.