Home / 220,759.01-331,187.72-80,517.63

Finding the Fourth Proportional to 220,759.01, 331,187.72 and 80,517.63

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Solution

The fourth proportional to 220,759.01, 331,187.72 and 80,517.63 is: 120,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,759.01 : 331,187.72 = 80,517.63 : x
  2. Step 2: Convert to fraction form
    220,759.01/331,187.72 = 80,517.63/x
  3. Step 3: Cross multiply
    220,759.01x = 331,187.72 × 80,517.63
  4. Step 4: Simplify right side
    220,759.01x = 26,666,451,127.47
  5. Step 5: Solve for x
    x = 26,666,451,127.47/220,759.01
  6. Step 6: Final answer
    x = 120,794.40

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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.