Home / 219,948.92-329,812.66-107,460.58

Finding the Fourth Proportional to 219,948.92, 329,812.66 and 107,460.58

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Solution

The fourth proportional to 219,948.92, 329,812.66 and 107,460.58 is: 161,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,948.92 : 329,812.66 = 107,460.58 : x
  2. Step 2: Convert to fraction form
    219,948.92/329,812.66 = 107,460.58/x
  3. Step 3: Cross multiply
    219,948.92x = 329,812.66 × 107,460.58
  4. Step 4: Simplify right side
    219,948.92x = 35,441,859,734.94
  5. Step 5: Solve for x
    x = 35,441,859,734.94/219,948.92
  6. Step 6: Final answer
    x = 161,136.78

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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.