Home / 205,090.64-307,773.24-71,971.52

Finding the Fourth Proportional to 205,090.64, 307,773.24 and 71,971.52

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Solution

The fourth proportional to 205,090.64, 307,773.24 and 71,971.52 is: 108,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,090.64 : 307,773.24 = 71,971.52 : x
  2. Step 2: Convert to fraction form
    205,090.64/307,773.24 = 71,971.52/x
  3. Step 3: Cross multiply
    205,090.64x = 307,773.24 × 71,971.52
  4. Step 4: Simplify right side
    205,090.64x = 22,150,907,898.12
  5. Step 5: Solve for x
    x = 22,150,907,898.12/205,090.64
  6. Step 6: Final answer
    x = 108,005.46

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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.