Home / 204,567.05-306,892.49-86,238.60

Finding the Fourth Proportional to 204,567.05, 306,892.49 and 86,238.60

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Solution

The fourth proportional to 204,567.05, 306,892.49 and 86,238.60 is: 129,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,567.05 : 306,892.49 = 86,238.60 : x
  2. Step 2: Convert to fraction form
    204,567.05/306,892.49 = 86,238.60/x
  3. Step 3: Cross multiply
    204,567.05x = 306,892.49 × 86,238.60
  4. Step 4: Simplify right side
    204,567.05x = 26,465,978,256.92
  5. Step 5: Solve for x
    x = 26,465,978,256.92/204,567.05
  6. Step 6: Final answer
    x = 129,375.57

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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.