Home / 204,127.48-306,227.94-84,117.61

Finding the Fourth Proportional to 204,127.48, 306,227.94 and 84,117.61

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Solution

The fourth proportional to 204,127.48, 306,227.94 and 84,117.61 is: 126,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,127.48 : 306,227.94 = 84,117.61 : x
  2. Step 2: Convert to fraction form
    204,127.48/306,227.94 = 84,117.61/x
  3. Step 3: Cross multiply
    204,127.48x = 306,227.94 × 84,117.61
  4. Step 4: Simplify right side
    204,127.48x = 25,759,162,428.02
  5. Step 5: Solve for x
    x = 25,759,162,428.02/204,127.48
  6. Step 6: Final answer
    x = 126,191.55

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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.