Home / 140,327.24-193,856.49-121,431.56

Finding the Fourth Proportional to 140,327.24, 193,856.49 and 121,431.56

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Solution

The fourth proportional to 140,327.24, 193,856.49 and 121,431.56 is: 167,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,327.24 : 193,856.49 = 121,431.56 : x
  2. Step 2: Convert to fraction form
    140,327.24/193,856.49 = 121,431.56/x
  3. Step 3: Cross multiply
    140,327.24x = 193,856.49 × 121,431.56
  4. Step 4: Simplify right side
    140,327.24x = 23,540,295,027.54
  5. Step 5: Solve for x
    x = 23,540,295,027.54/140,327.24
  6. Step 6: Final answer
    x = 167,752.86

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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.