Home / 204,501.44-306,793.62-86,172.72

Finding the Fourth Proportional to 204,501.44, 306,793.62 and 86,172.72

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Solution

The fourth proportional to 204,501.44, 306,793.62 and 86,172.72 is: 129,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,501.44 : 306,793.62 = 86,172.72 : x
  2. Step 2: Convert to fraction form
    204,501.44/306,793.62 = 86,172.72/x
  3. Step 3: Cross multiply
    204,501.44x = 306,793.62 × 86,172.72
  4. Step 4: Simplify right side
    204,501.44x = 26,437,240,714.05
  5. Step 5: Solve for x
    x = 26,437,240,714.05/204,501.44
  6. Step 6: Final answer
    x = 129,276.55

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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.