Home / 143,416.72-197,899.92-79,744.24

Finding the Fourth Proportional to 143,416.72, 197,899.92 and 79,744.24

Calculator

Solution

The fourth proportional to 143,416.72, 197,899.92 and 79,744.24 is: 110,038.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,416.72 : 197,899.92 = 79,744.24 : x
  2. Step 2: Convert to fraction form
    143,416.72/197,899.92 = 79,744.24/x
  3. Step 3: Cross multiply
    143,416.72x = 197,899.92 × 79,744.24
  4. Step 4: Simplify right side
    143,416.72x = 15,781,378,716.46
  5. Step 5: Solve for x
    x = 15,781,378,716.46/143,416.72
  6. Step 6: Final answer
    x = 110,038.63

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.