Home / 78,137.33-107,824.19-44,147.25

Finding the Fourth Proportional to 78,137.33, 107,824.19 and 44,147.25

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Solution

The fourth proportional to 78,137.33, 107,824.19 and 44,147.25 is: 60,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,137.33 : 107,824.19 = 44,147.25 : x
  2. Step 2: Convert to fraction form
    78,137.33/107,824.19 = 44,147.25/x
  3. Step 3: Cross multiply
    78,137.33x = 107,824.19 × 44,147.25
  4. Step 4: Simplify right side
    78,137.33x = 4,760,140,932.86
  5. Step 5: Solve for x
    x = 4,760,140,932.86/78,137.33
  6. Step 6: Final answer
    x = 60,920.19

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1.5x scale

Why These Related Problems?

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