Home / 135,556.32-203,340.96-65,494.56

Finding the Fourth Proportional to 135,556.32, 203,340.96 and 65,494.56

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Solution

The fourth proportional to 135,556.32, 203,340.96 and 65,494.56 is: 98,244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,556.32 : 203,340.96 = 65,494.56 : x
  2. Step 2: Convert to fraction form
    135,556.32/203,340.96 = 65,494.56/x
  3. Step 3: Cross multiply
    135,556.32x = 203,340.96 × 65,494.56
  4. Step 4: Simplify right side
    135,556.32x = 13,317,726,705.18
  5. Step 5: Solve for x
    x = 13,317,726,705.18/135,556.32
  6. Step 6: Final answer
    x = 98,244.97

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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.