Home / 135,842.70-203,764.05-113,863.35

Finding the Fourth Proportional to 135,842.70, 203,764.05 and 113,863.35

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Solution

The fourth proportional to 135,842.70, 203,764.05 and 113,863.35 is: 170,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,842.70 : 203,764.05 = 113,863.35 : x
  2. Step 2: Convert to fraction form
    135,842.70/203,764.05 = 113,863.35/x
  3. Step 3: Cross multiply
    135,842.70x = 203,764.05 × 113,863.35
  4. Step 4: Simplify right side
    135,842.70x = 23,201,257,342.57
  5. Step 5: Solve for x
    x = 23,201,257,342.57/135,842.70
  6. Step 6: Final answer
    x = 170,795.03

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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.