Home / 151,159.20-226,913.40-81,175.20

Finding the Fourth Proportional to 151,159.20, 226,913.40 and 81,175.20

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Solution

The fourth proportional to 151,159.20, 226,913.40 and 81,175.20 is: 121,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,159.20 : 226,913.40 = 81,175.20 : x
  2. Step 2: Convert to fraction form
    151,159.20/226,913.40 = 81,175.20/x
  3. Step 3: Cross multiply
    151,159.20x = 226,913.40 × 81,175.20
  4. Step 4: Simplify right side
    151,159.20x = 18,419,740,627.68
  5. Step 5: Solve for x
    x = 18,419,740,627.68/151,159.20
  6. Step 6: Final answer
    x = 121,856.56

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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.