Home / 222,616.80-307,210.50-120,645.18

Finding the Fourth Proportional to 222,616.80, 307,210.50 and 120,645.18

Calculator

Solution

The fourth proportional to 222,616.80, 307,210.50 and 120,645.18 is: 166,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,616.80 : 307,210.50 = 120,645.18 : x
  2. Step 2: Convert to fraction form
    222,616.80/307,210.50 = 120,645.18/x
  3. Step 3: Cross multiply
    222,616.80x = 307,210.50 × 120,645.18
  4. Step 4: Simplify right side
    222,616.80x = 37,063,466,070.39
  5. Step 5: Solve for x
    x = 37,063,466,070.39/222,616.80
  6. Step 6: Final answer
    x = 166,489.98

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.