Home / 125,016.12-172,515.60-68,416.56

Finding the Fourth Proportional to 125,016.12, 172,515.60 and 68,416.56

Calculator

Solution

The fourth proportional to 125,016.12, 172,515.60 and 68,416.56 is: 94,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,016.12 : 172,515.60 = 68,416.56 : x
  2. Step 2: Convert to fraction form
    125,016.12/172,515.60 = 68,416.56/x
  3. Step 3: Cross multiply
    125,016.12x = 172,515.60 × 68,416.56
  4. Step 4: Simplify right side
    125,016.12x = 11,802,923,898.34
  5. Step 5: Solve for x
    x = 11,802,923,898.34/125,016.12
  6. Step 6: Final answer
    x = 94,411.22

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.