Home / 170,445.90-255,645.18-90,448.86

Finding the Fourth Proportional to 170,445.90, 255,645.18 and 90,448.86

Calculator

Solution

The fourth proportional to 170,445.90, 255,645.18 and 90,448.86 is: 135,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,445.90 : 255,645.18 = 90,448.86 : x
  2. Step 2: Convert to fraction form
    170,445.90/255,645.18 = 90,448.86/x
  3. Step 3: Cross multiply
    170,445.90x = 255,645.18 × 90,448.86
  4. Step 4: Simplify right side
    170,445.90x = 23,122,815,095.49
  5. Step 5: Solve for x
    x = 23,122,815,095.49/170,445.90
  6. Step 6: Final answer
    x = 135,660.73

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.