Home / 146,398.46-219,428.19-67,346.78

Finding the Fourth Proportional to 146,398.46, 219,428.19 and 67,346.78

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Solution

The fourth proportional to 146,398.46, 219,428.19 and 67,346.78 is: 100,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,398.46 : 219,428.19 = 67,346.78 : x
  2. Step 2: Convert to fraction form
    146,398.46/219,428.19 = 67,346.78/x
  3. Step 3: Cross multiply
    146,398.46x = 219,428.19 × 67,346.78
  4. Step 4: Simplify right side
    146,398.46x = 14,777,780,940.59
  5. Step 5: Solve for x
    x = 14,777,780,940.59/146,398.46
  6. Step 6: Final answer
    x = 100,942.19

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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.