Home / 101,734.69-140,365.24-80,157.54

Finding the Fourth Proportional to 101,734.69, 140,365.24 and 80,157.54

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Solution

The fourth proportional to 101,734.69, 140,365.24 and 80,157.54 is: 110,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,734.69 : 140,365.24 = 80,157.54 : x
  2. Step 2: Convert to fraction form
    101,734.69/140,365.24 = 80,157.54/x
  3. Step 3: Cross multiply
    101,734.69x = 140,365.24 × 80,157.54
  4. Step 4: Simplify right side
    101,734.69x = 11,251,332,339.91
  5. Step 5: Solve for x
    x = 11,251,332,339.91/101,734.69
  6. Step 6: Final answer
    x = 110,594.85

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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.