Home / 107,644.86-161,454.60-28,765.17

Finding the Fourth Proportional to 107,644.86, 161,454.60 and 28,765.17

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Solution

The fourth proportional to 107,644.86, 161,454.60 and 28,765.17 is: 43,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,644.86 : 161,454.60 = 28,765.17 : x
  2. Step 2: Convert to fraction form
    107,644.86/161,454.60 = 28,765.17/x
  3. Step 3: Cross multiply
    107,644.86x = 161,454.60 × 28,765.17
  4. Step 4: Simplify right side
    107,644.86x = 4,644,269,016.28
  5. Step 5: Solve for x
    x = 4,644,269,016.28/107,644.86
  6. Step 6: Final answer
    x = 43,144.36

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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.