Home / 260,674.08-391,197.60-111,019.20

Finding the Fourth Proportional to 260,674.08, 391,197.60 and 111,019.20

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Solution

The fourth proportional to 260,674.08, 391,197.60 and 111,019.20 is: 166,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,674.08 : 391,197.60 = 111,019.20 : x
  2. Step 2: Convert to fraction form
    260,674.08/391,197.60 = 111,019.20/x
  3. Step 3: Cross multiply
    260,674.08x = 391,197.60 × 111,019.20
  4. Step 4: Simplify right side
    260,674.08x = 43,430,444,593.92
  5. Step 5: Solve for x
    x = 43,430,444,593.92/260,674.08
  6. Step 6: Final answer
    x = 166,608.22

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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.