Home / 131,723.20-197,293.20-108,395.20

Finding the Fourth Proportional to 131,723.20, 197,293.20 and 108,395.20

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Solution

The fourth proportional to 131,723.20, 197,293.20 and 108,395.20 is: 162,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,723.20 : 197,293.20 = 108,395.20 : x
  2. Step 2: Convert to fraction form
    131,723.20/197,293.20 = 108,395.20/x
  3. Step 3: Cross multiply
    131,723.20x = 197,293.20 × 108,395.20
  4. Step 4: Simplify right side
    131,723.20x = 21,385,635,872.64
  5. Step 5: Solve for x
    x = 21,385,635,872.64/131,723.20
  6. Step 6: Final answer
    x = 162,352.84

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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.