Home / 115,099.11-172,648.66-108,601.83

Finding the Fourth Proportional to 115,099.11, 172,648.66 and 108,601.83

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Solution

The fourth proportional to 115,099.11, 172,648.66 and 108,601.83 is: 162,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,099.11 : 172,648.66 = 108,601.83 : x
  2. Step 2: Convert to fraction form
    115,099.11/172,648.66 = 108,601.83/x
  3. Step 3: Cross multiply
    115,099.11x = 172,648.66 × 108,601.83
  4. Step 4: Simplify right side
    115,099.11x = 18,749,959,559.80
  5. Step 5: Solve for x
    x = 18,749,959,559.80/115,099.11
  6. Step 6: Final answer
    x = 162,902.74

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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.