Home / 120,473.82-180,567.36-90,793.80

Finding the Fourth Proportional to 120,473.82, 180,567.36 and 90,793.80

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Solution

The fourth proportional to 120,473.82, 180,567.36 and 90,793.80 is: 136,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,473.82 : 180,567.36 = 90,793.80 : x
  2. Step 2: Convert to fraction form
    120,473.82/180,567.36 = 90,793.80/x
  3. Step 3: Cross multiply
    120,473.82x = 180,567.36 × 90,793.80
  4. Step 4: Simplify right side
    120,473.82x = 16,394,396,770.37
  5. Step 5: Solve for x
    x = 16,394,396,770.37/120,473.82
  6. Step 6: Final answer
    x = 136,082.65

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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.