Home / 131,725.20-197,296.20-108,397.20

Finding the Fourth Proportional to 131,725.20, 197,296.20 and 108,397.20

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Solution

The fourth proportional to 131,725.20, 197,296.20 and 108,397.20 is: 162,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,725.20 : 197,296.20 = 108,397.20 : x
  2. Step 2: Convert to fraction form
    131,725.20/197,296.20 = 108,397.20/x
  3. Step 3: Cross multiply
    131,725.20x = 197,296.20 × 108,397.20
  4. Step 4: Simplify right side
    131,725.20x = 21,386,355,650.64
  5. Step 5: Solve for x
    x = 21,386,355,650.64/131,725.20
  6. Step 6: Final answer
    x = 162,355.84

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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.