Home / 70,691.32-106,036.44-18,100.72

Finding the Fourth Proportional to 70,691.32, 106,036.44 and 18,100.72

Calculator

Solution

The fourth proportional to 70,691.32, 106,036.44 and 18,100.72 is: 27,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,691.32 : 106,036.44 = 18,100.72 : x
  2. Step 2: Convert to fraction form
    70,691.32/106,036.44 = 18,100.72/x
  3. Step 3: Cross multiply
    70,691.32x = 106,036.44 × 18,100.72
  4. Step 4: Simplify right side
    70,691.32x = 1,919,335,910.24
  5. Step 5: Solve for x
    x = 1,919,335,910.24/70,691.32
  6. Step 6: Final answer
    x = 27,150.94

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.