Home / 204,261.24-306,420.57-71,122.15

Finding the Fourth Proportional to 204,261.24, 306,420.57 and 71,122.15

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Solution

The fourth proportional to 204,261.24, 306,420.57 and 71,122.15 is: 106,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,261.24 : 306,420.57 = 71,122.15 : x
  2. Step 2: Convert to fraction form
    204,261.24/306,420.57 = 71,122.15/x
  3. Step 3: Cross multiply
    204,261.24x = 306,420.57 × 71,122.15
  4. Step 4: Simplify right side
    204,261.24x = 21,793,290,125.65
  5. Step 5: Solve for x
    x = 21,793,290,125.65/204,261.24
  6. Step 6: Final answer
    x = 106,693.22

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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.