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Finding the Fourth Proportional to 168,427.65, 252,422.10 and 68,471.22

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Solution

The fourth proportional to 168,427.65, 252,422.10 and 68,471.22 is: 102,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,427.65 : 252,422.10 = 68,471.22 : x
  2. Step 2: Convert to fraction form
    168,427.65/252,422.10 = 68,471.22/x
  3. Step 3: Cross multiply
    168,427.65x = 252,422.10 × 68,471.22
  4. Step 4: Simplify right side
    168,427.65x = 17,283,649,141.96
  5. Step 5: Solve for x
    x = 17,283,649,141.96/168,427.65
  6. Step 6: Final answer
    x = 102,617.65

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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.