Home / 144,373.76-199,241.97-80,711.54

Finding the Fourth Proportional to 144,373.76, 199,241.97 and 80,711.54

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Solution

The fourth proportional to 144,373.76, 199,241.97 and 80,711.54 is: 111,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,373.76 : 199,241.97 = 80,711.54 : x
  2. Step 2: Convert to fraction form
    144,373.76/199,241.97 = 80,711.54/x
  3. Step 3: Cross multiply
    144,373.76x = 199,241.97 × 80,711.54
  4. Step 4: Simplify right side
    144,373.76x = 16,081,126,231.33
  5. Step 5: Solve for x
    x = 16,081,126,231.33/144,373.76
  6. Step 6: Final answer
    x = 111,385.38

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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.