Home / 204,186.22-306,293.91-54,425.72

Finding the Fourth Proportional to 204,186.22, 306,293.91 and 54,425.72

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Solution

The fourth proportional to 204,186.22, 306,293.91 and 54,425.72 is: 81,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,186.22 : 306,293.91 = 54,425.72 : x
  2. Step 2: Convert to fraction form
    204,186.22/306,293.91 = 54,425.72/x
  3. Step 3: Cross multiply
    204,186.22x = 306,293.91 × 54,425.72
  4. Step 4: Simplify right side
    204,186.22x = 16,670,267,145.00
  5. Step 5: Solve for x
    x = 16,670,267,145.00/204,186.22
  6. Step 6: Final answer
    x = 81,642.47

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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.