Home / 204,145.55-306,280.54-104,375.79

Finding the Fourth Proportional to 204,145.55, 306,280.54 and 104,375.79

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Solution

The fourth proportional to 204,145.55, 306,280.54 and 104,375.79 is: 156,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,145.55 : 306,280.54 = 104,375.79 : x
  2. Step 2: Convert to fraction form
    204,145.55/306,280.54 = 104,375.79/x
  3. Step 3: Cross multiply
    204,145.55x = 306,280.54 × 104,375.79
  4. Step 4: Simplify right side
    204,145.55x = 31,968,273,454.60
  5. Step 5: Solve for x
    x = 31,968,273,454.60/204,145.55
  6. Step 6: Final answer
    x = 156,595.50

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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.