Home / 204,212.15-306,332.86-54,451.66

Finding the Fourth Proportional to 204,212.15, 306,332.86 and 54,451.66

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Solution

The fourth proportional to 204,212.15, 306,332.86 and 54,451.66 is: 81,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,212.15 : 306,332.86 = 54,451.66 : x
  2. Step 2: Convert to fraction form
    204,212.15/306,332.86 = 54,451.66/x
  3. Step 3: Cross multiply
    204,212.15x = 306,332.86 × 54,451.66
  4. Step 4: Simplify right side
    204,212.15x = 16,680,332,739.55
  5. Step 5: Solve for x
    x = 16,680,332,739.55/204,212.15
  6. Step 6: Final answer
    x = 81,681.39

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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.