Home / 110,300.80-165,451.20-79,427.20

Finding the Fourth Proportional to 110,300.80, 165,451.20 and 79,427.20

Calculator

Solution

The fourth proportional to 110,300.80, 165,451.20 and 79,427.20 is: 119,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,300.80 : 165,451.20 = 79,427.20 : x
  2. Step 2: Convert to fraction form
    110,300.80/165,451.20 = 79,427.20/x
  3. Step 3: Cross multiply
    110,300.80x = 165,451.20 × 79,427.20
  4. Step 4: Simplify right side
    110,300.80x = 13,141,325,552.64
  5. Step 5: Solve for x
    x = 13,141,325,552.64/110,300.80
  6. Step 6: Final answer
    x = 119,140.80

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.