Home / 122,836.28-184,253.79-106,145.60

Finding the Fourth Proportional to 122,836.28, 184,253.79 and 106,145.60

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Solution

The fourth proportional to 122,836.28, 184,253.79 and 106,145.60 is: 159,217.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,836.28 : 184,253.79 = 106,145.60 : x
  2. Step 2: Convert to fraction form
    122,836.28/184,253.79 = 106,145.60/x
  3. Step 3: Cross multiply
    122,836.28x = 184,253.79 × 106,145.60
  4. Step 4: Simplify right side
    122,836.28x = 19,557,729,091.82
  5. Step 5: Solve for x
    x = 19,557,729,091.82/122,836.28
  6. Step 6: Final answer
    x = 159,217.86

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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.