Home / 68,184.53-102,229.25-30,213.15

Finding the Fourth Proportional to 68,184.53, 102,229.25 and 30,213.15

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Solution

The fourth proportional to 68,184.53, 102,229.25 and 30,213.15 is: 45,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,184.53 : 102,229.25 = 30,213.15 : x
  2. Step 2: Convert to fraction form
    68,184.53/102,229.25 = 30,213.15/x
  3. Step 3: Cross multiply
    68,184.53x = 102,229.25 × 30,213.15
  4. Step 4: Simplify right side
    68,184.53x = 3,088,667,917.69
  5. Step 5: Solve for x
    x = 3,088,667,917.69/68,184.53
  6. Step 6: Final answer
    x = 45,298.66

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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.