Home / 204,370.75-306,557.79-71,250.76

Finding the Fourth Proportional to 204,370.75, 306,557.79 and 71,250.76

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Solution

The fourth proportional to 204,370.75, 306,557.79 and 71,250.76 is: 106,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,370.75 : 306,557.79 = 71,250.76 : x
  2. Step 2: Convert to fraction form
    204,370.75/306,557.79 = 71,250.76/x
  3. Step 3: Cross multiply
    204,370.75x = 306,557.79 × 71,250.76
  4. Step 4: Simplify right side
    204,370.75x = 21,842,475,521.42
  5. Step 5: Solve for x
    x = 21,842,475,521.42/204,370.75
  6. Step 6: Final answer
    x = 106,876.72

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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.