Home / 107,836.60-161,779.20-32,960.20

Finding the Fourth Proportional to 107,836.60, 161,779.20 and 32,960.20

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Solution

The fourth proportional to 107,836.60, 161,779.20 and 32,960.20 is: 49,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,836.60 : 161,779.20 = 32,960.20 : x
  2. Step 2: Convert to fraction form
    107,836.60/161,779.20 = 32,960.20/x
  3. Step 3: Cross multiply
    107,836.60x = 161,779.20 × 32,960.20
  4. Step 4: Simplify right side
    107,836.60x = 5,332,274,787.84
  5. Step 5: Solve for x
    x = 5,332,274,787.84/107,836.60
  6. Step 6: Final answer
    x = 49,447.73

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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.