Home / 131,055.20-196,291.20-107,727.20

Finding the Fourth Proportional to 131,055.20, 196,291.20 and 107,727.20

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Solution

The fourth proportional to 131,055.20, 196,291.20 and 107,727.20 is: 161,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,055.20 : 196,291.20 = 107,727.20 : x
  2. Step 2: Convert to fraction form
    131,055.20/196,291.20 = 107,727.20/x
  3. Step 3: Cross multiply
    131,055.20x = 196,291.20 × 107,727.20
  4. Step 4: Simplify right side
    131,055.20x = 21,145,901,360.64
  5. Step 5: Solve for x
    x = 21,145,901,360.64/131,055.20
  6. Step 6: Final answer
    x = 161,351.11

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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.