Home / 143,451.03-197,961.89-79,788.82

Finding the Fourth Proportional to 143,451.03, 197,961.89 and 79,788.82

Calculator

Solution

The fourth proportional to 143,451.03, 197,961.89 and 79,788.82 is: 110,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,451.03 : 197,961.89 = 79,788.82 : x
  2. Step 2: Convert to fraction form
    143,451.03/197,961.89 = 79,788.82/x
  3. Step 3: Cross multiply
    143,451.03x = 197,961.89 × 79,788.82
  4. Step 4: Simplify right side
    143,451.03x = 15,795,145,754.37
  5. Step 5: Solve for x
    x = 15,795,145,754.37/143,451.03
  6. Step 6: Final answer
    x = 110,108.28

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.