Home / 204,176.72-306,279.66-54,416.22

Finding the Fourth Proportional to 204,176.72, 306,279.66 and 54,416.22

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Solution

The fourth proportional to 204,176.72, 306,279.66 and 54,416.22 is: 81,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,176.72 : 306,279.66 = 54,416.22 : x
  2. Step 2: Convert to fraction form
    204,176.72/306,279.66 = 54,416.22/x
  3. Step 3: Cross multiply
    204,176.72x = 306,279.66 × 54,416.22
  4. Step 4: Simplify right side
    204,176.72x = 16,666,581,360.09
  5. Step 5: Solve for x
    x = 16,666,581,360.09/204,176.72
  6. Step 6: Final answer
    x = 81,628.22

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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.