Home / 204,788.88-307,321.65-71,670.29

Finding the Fourth Proportional to 204,788.88, 307,321.65 and 71,670.29

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Solution

The fourth proportional to 204,788.88, 307,321.65 and 71,670.29 is: 107,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,788.88 : 307,321.65 = 71,670.29 : x
  2. Step 2: Convert to fraction form
    204,788.88/307,321.65 = 71,670.29/x
  3. Step 3: Cross multiply
    204,788.88x = 307,321.65 × 71,670.29
  4. Step 4: Simplify right side
    204,788.88x = 22,025,830,242.17
  5. Step 5: Solve for x
    x = 22,025,830,242.17/204,788.88
  6. Step 6: Final answer
    x = 107,553.84

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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.