Home / 141,481.44-195,240.56-80,238.87

Finding the Fourth Proportional to 141,481.44, 195,240.56 and 80,238.87

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Solution

The fourth proportional to 141,481.44, 195,240.56 and 80,238.87 is: 110,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,481.44 : 195,240.56 = 80,238.87 : x
  2. Step 2: Convert to fraction form
    141,481.44/195,240.56 = 80,238.87/x
  3. Step 3: Cross multiply
    141,481.44x = 195,240.56 × 80,238.87
  4. Step 4: Simplify right side
    141,481.44x = 15,665,881,511.37
  5. Step 5: Solve for x
    x = 15,665,881,511.37/141,481.44
  6. Step 6: Final answer
    x = 110,727.47

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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.