Home / 190,311.58-285,447.25-100,318.22

Finding the Fourth Proportional to 190,311.58, 285,447.25 and 100,318.22

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Solution

The fourth proportional to 190,311.58, 285,447.25 and 100,318.22 is: 150,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,311.58 : 285,447.25 = 100,318.22 : x
  2. Step 2: Convert to fraction form
    190,311.58/285,447.25 = 100,318.22/x
  3. Step 3: Cross multiply
    190,311.58x = 285,447.25 × 100,318.22
  4. Step 4: Simplify right side
    190,311.58x = 28,635,560,736.38
  5. Step 5: Solve for x
    x = 28,635,560,736.38/190,311.58
  6. Step 6: Final answer
    x = 150,466.73

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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.