Home / 204,088.14-306,019.89-75,939.66

Finding the Fourth Proportional to 204,088.14, 306,019.89 and 75,939.66

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Solution

The fourth proportional to 204,088.14, 306,019.89 and 75,939.66 is: 113,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,088.14 : 306,019.89 = 75,939.66 : x
  2. Step 2: Convert to fraction form
    204,088.14/306,019.89 = 75,939.66/x
  3. Step 3: Cross multiply
    204,088.14x = 306,019.89 × 75,939.66
  4. Step 4: Simplify right side
    204,088.14x = 23,239,046,399.84
  5. Step 5: Solve for x
    x = 23,239,046,399.84/204,088.14
  6. Step 6: Final answer
    x = 113,867.70

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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.