Home / 100,435.20-150,825.60-71,059.20

Finding the Fourth Proportional to 100,435.20, 150,825.60 and 71,059.20

Calculator

Solution

The fourth proportional to 100,435.20, 150,825.60 and 71,059.20 is: 106,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,435.20 : 150,825.60 = 71,059.20 : x
  2. Step 2: Convert to fraction form
    100,435.20/150,825.60 = 71,059.20/x
  3. Step 3: Cross multiply
    100,435.20x = 150,825.60 × 71,059.20
  4. Step 4: Simplify right side
    100,435.20x = 10,717,546,475.52
  5. Step 5: Solve for x
    x = 10,717,546,475.52/100,435.20
  6. Step 6: Final answer
    x = 106,711.06

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.