Home / 268,930.76-371,121.72-148,069.76

Finding the Fourth Proportional to 268,930.76, 371,121.72 and 148,069.76

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Solution

The fourth proportional to 268,930.76, 371,121.72 and 148,069.76 is: 204,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,930.76 : 371,121.72 = 148,069.76 : x
  2. Step 2: Convert to fraction form
    268,930.76/371,121.72 = 148,069.76/x
  3. Step 3: Cross multiply
    268,930.76x = 371,121.72 × 148,069.76
  4. Step 4: Simplify right side
    268,930.76x = 54,951,904,011.19
  5. Step 5: Solve for x
    x = 54,951,904,011.19/268,930.76
  6. Step 6: Final answer
    x = 204,334.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.