Home / 204,005.43-306,007.74-54,245.76

Finding the Fourth Proportional to 204,005.43, 306,007.74 and 54,245.76

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Solution

The fourth proportional to 204,005.43, 306,007.74 and 54,245.76 is: 81,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,005.43 : 306,007.74 = 54,245.76 : x
  2. Step 2: Convert to fraction form
    204,005.43/306,007.74 = 54,245.76/x
  3. Step 3: Cross multiply
    204,005.43x = 306,007.74 × 54,245.76
  4. Step 4: Simplify right side
    204,005.43x = 16,599,622,422.18
  5. Step 5: Solve for x
    x = 16,599,622,422.18/204,005.43
  6. Step 6: Final answer
    x = 81,368.53

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1.5x scale

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.