Home / 131,186.22-196,778.65-51,232.30

Finding the Fourth Proportional to 131,186.22, 196,778.65 and 51,232.30

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Solution

The fourth proportional to 131,186.22, 196,778.65 and 51,232.30 is: 76,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,186.22 : 196,778.65 = 51,232.30 : x
  2. Step 2: Convert to fraction form
    131,186.22/196,778.65 = 51,232.30/x
  3. Step 3: Cross multiply
    131,186.22x = 196,778.65 × 51,232.30
  4. Step 4: Simplify right side
    131,186.22x = 10,081,422,306.43
  5. Step 5: Solve for x
    x = 10,081,422,306.43/131,186.22
  6. Step 6: Final answer
    x = 76,848.18

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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.