Home / 135,768.16-203,470.86-71,595.44

Finding the Fourth Proportional to 135,768.16, 203,470.86 and 71,595.44

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Solution

The fourth proportional to 135,768.16, 203,470.86 and 71,595.44 is: 107,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,768.16 : 203,470.86 = 71,595.44 : x
  2. Step 2: Convert to fraction form
    135,768.16/203,470.86 = 71,595.44/x
  3. Step 3: Cross multiply
    135,768.16x = 203,470.86 × 71,595.44
  4. Step 4: Simplify right side
    135,768.16x = 14,567,585,748.88
  5. Step 5: Solve for x
    x = 14,567,585,748.88/135,768.16
  6. Step 6: Final answer
    x = 107,297.51

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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.