Home / 151,081.20-226,796.40-81,097.20

Finding the Fourth Proportional to 151,081.20, 226,796.40 and 81,097.20

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Solution

The fourth proportional to 151,081.20, 226,796.40 and 81,097.20 is: 121,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,081.20 : 226,796.40 = 81,097.20 : x
  2. Step 2: Convert to fraction form
    151,081.20/226,796.40 = 81,097.20/x
  3. Step 3: Cross multiply
    151,081.20x = 226,796.40 × 81,097.20
  4. Step 4: Simplify right side
    151,081.20x = 18,392,553,010.08
  5. Step 5: Solve for x
    x = 18,392,553,010.08/151,081.20
  6. Step 6: Final answer
    x = 121,739.52

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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.