Home / 110,483.60-165,725.40-80,416.40

Finding the Fourth Proportional to 110,483.60, 165,725.40 and 80,416.40

Calculator

Solution

The fourth proportional to 110,483.60, 165,725.40 and 80,416.40 is: 120,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,483.60 : 165,725.40 = 80,416.40 : x
  2. Step 2: Convert to fraction form
    110,483.60/165,725.40 = 80,416.40/x
  3. Step 3: Cross multiply
    110,483.60x = 165,725.40 × 80,416.40
  4. Step 4: Simplify right side
    110,483.60x = 13,327,040,056.56
  5. Step 5: Solve for x
    x = 13,327,040,056.56/110,483.60
  6. Step 6: Final answer
    x = 120,624.60

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.