Home / 141,709.37-195,542.30-80,451.50

Finding the Fourth Proportional to 141,709.37, 195,542.30 and 80,451.50

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Solution

The fourth proportional to 141,709.37, 195,542.30 and 80,451.50 is: 111,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,709.37 : 195,542.30 = 80,451.50 : x
  2. Step 2: Convert to fraction form
    141,709.37/195,542.30 = 80,451.50/x
  3. Step 3: Cross multiply
    141,709.37x = 195,542.30 × 80,451.50
  4. Step 4: Simplify right side
    141,709.37x = 15,731,670,571.87
  5. Step 5: Solve for x
    x = 15,731,670,571.87/141,709.37
  6. Step 6: Final answer
    x = 111,013.63

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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.