Home / 204,828.16-307,287.60-86,600.56

Finding the Fourth Proportional to 204,828.16, 307,287.60 and 86,600.56

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Solution

The fourth proportional to 204,828.16, 307,287.60 and 86,600.56 is: 129,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,828.16 : 307,287.60 = 86,600.56 : x
  2. Step 2: Convert to fraction form
    204,828.16/307,287.60 = 86,600.56/x
  3. Step 3: Cross multiply
    204,828.16x = 307,287.60 × 86,600.56
  4. Step 4: Simplify right side
    204,828.16x = 26,611,278,241.06
  5. Step 5: Solve for x
    x = 26,611,278,241.06/204,828.16
  6. Step 6: Final answer
    x = 129,920.02

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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.