Home / 260,014.20-389,826.90-110,131.80

Finding the Fourth Proportional to 260,014.20, 389,826.90 and 110,131.80

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Solution

The fourth proportional to 260,014.20, 389,826.90 and 110,131.80 is: 165,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,014.20 : 389,826.90 = 110,131.80 : x
  2. Step 2: Convert to fraction form
    260,014.20/389,826.90 = 110,131.80/x
  3. Step 3: Cross multiply
    260,014.20x = 389,826.90 × 110,131.80
  4. Step 4: Simplify right side
    260,014.20x = 42,932,338,185.42
  5. Step 5: Solve for x
    x = 42,932,338,185.42/260,014.20
  6. Step 6: Final answer
    x = 165,115.36

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1.5x scale

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.