Home / 220,709.93-331,062.54-146,163.60

Finding the Fourth Proportional to 220,709.93, 331,062.54 and 146,163.60

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Solution

The fourth proportional to 220,709.93, 331,062.54 and 146,163.60 is: 219,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,709.93 : 331,062.54 = 146,163.60 : x
  2. Step 2: Convert to fraction form
    220,709.93/331,062.54 = 146,163.60/x
  3. Step 3: Cross multiply
    220,709.93x = 331,062.54 × 146,163.60
  4. Step 4: Simplify right side
    220,709.93x = 48,389,292,671.54
  5. Step 5: Solve for x
    x = 48,389,292,671.54/220,709.93
  6. Step 6: Final answer
    x = 219,243.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.