Home / 204,181.92-306,225.90-77,836.50

Finding the Fourth Proportional to 204,181.92, 306,225.90 and 77,836.50

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Solution

The fourth proportional to 204,181.92, 306,225.90 and 77,836.50 is: 116,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,181.92 : 306,225.90 = 77,836.50 : x
  2. Step 2: Convert to fraction form
    204,181.92/306,225.90 = 77,836.50/x
  3. Step 3: Cross multiply
    204,181.92x = 306,225.90 × 77,836.50
  4. Step 4: Simplify right side
    204,181.92x = 23,835,552,265.35
  5. Step 5: Solve for x
    x = 23,835,552,265.35/204,181.92
  6. Step 6: Final answer
    x = 116,736.84

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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.