Home / 204,176.82-306,240.93-54,428.34

Finding the Fourth Proportional to 204,176.82, 306,240.93 and 54,428.34

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Solution

The fourth proportional to 204,176.82, 306,240.93 and 54,428.34 is: 81,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,176.82 : 306,240.93 = 54,428.34 : x
  2. Step 2: Convert to fraction form
    204,176.82/306,240.93 = 54,428.34/x
  3. Step 3: Cross multiply
    204,176.82x = 306,240.93 × 54,428.34
  4. Step 4: Simplify right side
    204,176.82x = 16,668,185,459.96
  5. Step 5: Solve for x
    x = 16,668,185,459.96/204,176.82
  6. Step 6: Final answer
    x = 81,636.03

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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.