Home / 95,220.51-131,105.15-80,850.39

Finding the Fourth Proportional to 95,220.51, 131,105.15 and 80,850.39

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Solution

The fourth proportional to 95,220.51, 131,105.15 and 80,850.39 is: 111,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,220.51 : 131,105.15 = 80,850.39 : x
  2. Step 2: Convert to fraction form
    95,220.51/131,105.15 = 80,850.39/x
  3. Step 3: Cross multiply
    95,220.51x = 131,105.15 × 80,850.39
  4. Step 4: Simplify right side
    95,220.51x = 10,599,901,448.73
  5. Step 5: Solve for x
    x = 10,599,901,448.73/95,220.51
  6. Step 6: Final answer
    x = 111,319.53

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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.