Home / 260,743.60-391,115.40-127,644.40

Finding the Fourth Proportional to 260,743.60, 391,115.40 and 127,644.40

Calculator

Solution

The fourth proportional to 260,743.60, 391,115.40 and 127,644.40 is: 191,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,743.60 : 391,115.40 = 127,644.40 : x
  2. Step 2: Convert to fraction form
    260,743.60/391,115.40 = 127,644.40/x
  3. Step 3: Cross multiply
    260,743.60x = 391,115.40 × 127,644.40
  4. Step 4: Simplify right side
    260,743.60x = 49,923,690,563.76
  5. Step 5: Solve for x
    x = 49,923,690,563.76/260,743.60
  6. Step 6: Final answer
    x = 191,466.60

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.