Home / 104,025.60-143,596.80-66,355.20

Finding the Fourth Proportional to 104,025.60, 143,596.80 and 66,355.20

Calculator

Solution

The fourth proportional to 104,025.60, 143,596.80 and 66,355.20 is: 91,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,025.60 : 143,596.80 = 66,355.20 : x
  2. Step 2: Convert to fraction form
    104,025.60/143,596.80 = 66,355.20/x
  3. Step 3: Cross multiply
    104,025.60x = 143,596.80 × 66,355.20
  4. Step 4: Simplify right side
    104,025.60x = 9,528,394,383.36
  5. Step 5: Solve for x
    x = 9,528,394,383.36/104,025.60
  6. Step 6: Final answer
    x = 91,596.63

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.