Home / 68,107.96-102,176.34-21,365.56

Finding the Fourth Proportional to 68,107.96, 102,176.34 and 21,365.56

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Solution

The fourth proportional to 68,107.96, 102,176.34 and 21,365.56 is: 32,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,107.96 : 102,176.34 = 21,365.56 : x
  2. Step 2: Convert to fraction form
    68,107.96/102,176.34 = 21,365.56/x
  3. Step 3: Cross multiply
    68,107.96x = 102,176.34 × 21,365.56
  4. Step 4: Simplify right side
    68,107.96x = 2,183,054,722.85
  5. Step 5: Solve for x
    x = 2,183,054,722.85/68,107.96
  6. Step 6: Final answer
    x = 32,052.86

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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.