Home / 120,169.42-180,241.15-40,198.32

Finding the Fourth Proportional to 120,169.42, 180,241.15 and 40,198.32

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Solution

The fourth proportional to 120,169.42, 180,241.15 and 40,198.32 is: 60,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,169.42 : 180,241.15 = 40,198.32 : x
  2. Step 2: Convert to fraction form
    120,169.42/180,241.15 = 40,198.32/x
  3. Step 3: Cross multiply
    120,169.42x = 180,241.15 × 40,198.32
  4. Step 4: Simplify right side
    120,169.42x = 7,245,390,322.67
  5. Step 5: Solve for x
    x = 7,245,390,322.67/120,169.42
  6. Step 6: Final answer
    x = 60,293.13

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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.