Home / 110,474.40-165,517.20-90,645.60

Finding the Fourth Proportional to 110,474.40, 165,517.20 and 90,645.60

Calculator

Solution

The fourth proportional to 110,474.40, 165,517.20 and 90,645.60 is: 135,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,474.40 : 165,517.20 = 90,645.60 : x
  2. Step 2: Convert to fraction form
    110,474.40/165,517.20 = 90,645.60/x
  3. Step 3: Cross multiply
    110,474.40x = 165,517.20 × 90,645.60
  4. Step 4: Simplify right side
    110,474.40x = 15,003,405,904.32
  5. Step 5: Solve for x
    x = 15,003,405,904.32/110,474.40
  6. Step 6: Final answer
    x = 135,808.89

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.