Home / 204,398.68-306,639.03-71,243.19

Finding the Fourth Proportional to 204,398.68, 306,639.03 and 71,243.19

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Solution

The fourth proportional to 204,398.68, 306,639.03 and 71,243.19 is: 106,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,398.68 : 306,639.03 = 71,243.19 : x
  2. Step 2: Convert to fraction form
    204,398.68/306,639.03 = 71,243.19/x
  3. Step 3: Cross multiply
    204,398.68x = 306,639.03 × 71,243.19
  4. Step 4: Simplify right side
    204,398.68x = 21,845,942,675.71
  5. Step 5: Solve for x
    x = 21,845,942,675.71/204,398.68
  6. Step 6: Final answer
    x = 106,879.08

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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.