Home / 204,019.35-306,029.03-137,664.15

Finding the Fourth Proportional to 204,019.35, 306,029.03 and 137,664.15

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Solution

The fourth proportional to 204,019.35, 306,029.03 and 137,664.15 is: 206,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,019.35 : 306,029.03 = 137,664.15 : x
  2. Step 2: Convert to fraction form
    204,019.35/306,029.03 = 137,664.15/x
  3. Step 3: Cross multiply
    204,019.35x = 306,029.03 × 137,664.15
  4. Step 4: Simplify right side
    204,019.35x = 42,129,225,601.95
  5. Step 5: Solve for x
    x = 42,129,225,601.95/204,019.35
  6. Step 6: Final answer
    x = 206,496.23

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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.