Home / 131,104.32-197,540.88-108,242.88

Finding the Fourth Proportional to 131,104.32, 197,540.88 and 108,242.88

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Solution

The fourth proportional to 131,104.32, 197,540.88 and 108,242.88 is: 163,094.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,104.32 : 197,540.88 = 108,242.88 : x
  2. Step 2: Convert to fraction form
    131,104.32/197,540.88 = 108,242.88/x
  3. Step 3: Cross multiply
    131,104.32x = 197,540.88 × 108,242.88
  4. Step 4: Simplify right side
    131,104.32x = 21,382,393,768.93
  5. Step 5: Solve for x
    x = 21,382,393,768.93/131,104.32
  6. Step 6: Final answer
    x = 163,094.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.