Home / 78,255.05-107,906.38-58,149.23

Finding the Fourth Proportional to 78,255.05, 107,906.38 and 58,149.23

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Solution

The fourth proportional to 78,255.05, 107,906.38 and 58,149.23 is: 80,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,255.05 : 107,906.38 = 58,149.23 : x
  2. Step 2: Convert to fraction form
    78,255.05/107,906.38 = 58,149.23/x
  3. Step 3: Cross multiply
    78,255.05x = 107,906.38 × 58,149.23
  4. Step 4: Simplify right side
    78,255.05x = 6,274,672,224.18
  5. Step 5: Solve for x
    x = 6,274,672,224.18/78,255.05
  6. Step 6: Final answer
    x = 80,182.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.