Home / 156,738.40-235,107.60-45,930.40

Finding the Fourth Proportional to 156,738.40, 235,107.60 and 45,930.40

Calculator

Solution

The fourth proportional to 156,738.40, 235,107.60 and 45,930.40 is: 68,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,738.40 : 235,107.60 = 45,930.40 : x
  2. Step 2: Convert to fraction form
    156,738.40/235,107.60 = 45,930.40/x
  3. Step 3: Cross multiply
    156,738.40x = 235,107.60 × 45,930.40
  4. Step 4: Simplify right side
    156,738.40x = 10,798,586,111.04
  5. Step 5: Solve for x
    x = 10,798,586,111.04/156,738.40
  6. Step 6: Final answer
    x = 68,895.60

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.