Home / 113,757.39-170,497.71-80,487.09

Finding the Fourth Proportional to 113,757.39, 170,497.71 and 80,487.09

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Solution

The fourth proportional to 113,757.39, 170,497.71 and 80,487.09 is: 120,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,757.39 : 170,497.71 = 80,487.09 : x
  2. Step 2: Convert to fraction form
    113,757.39/170,497.71 = 80,487.09/x
  3. Step 3: Cross multiply
    113,757.39x = 170,497.71 × 80,487.09
  4. Step 4: Simplify right side
    113,757.39x = 13,722,864,529.56
  5. Step 5: Solve for x
    x = 13,722,864,529.56/113,757.39
  6. Step 6: Final answer
    x = 120,632.73

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1.5x scale

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.