Home / 104,620.10-156,930.15-69,445.70

Finding the Fourth Proportional to 104,620.10, 156,930.15 and 69,445.70

Calculator

Solution

The fourth proportional to 104,620.10, 156,930.15 and 69,445.70 is: 104,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,620.10 : 156,930.15 = 69,445.70 : x
  2. Step 2: Convert to fraction form
    104,620.10/156,930.15 = 69,445.70/x
  3. Step 3: Cross multiply
    104,620.10x = 156,930.15 × 69,445.70
  4. Step 4: Simplify right side
    104,620.10x = 10,898,124,117.86
  5. Step 5: Solve for x
    x = 10,898,124,117.86/104,620.10
  6. Step 6: Final answer
    x = 104,168.55

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.