Home / 166,171.10-248,965.05-136,427.90

Finding the Fourth Proportional to 166,171.10, 248,965.05 and 136,427.90

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Solution

The fourth proportional to 166,171.10, 248,965.05 and 136,427.90 is: 204,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,171.10 : 248,965.05 = 136,427.90 : x
  2. Step 2: Convert to fraction form
    166,171.10/248,965.05 = 136,427.90/x
  3. Step 3: Cross multiply
    166,171.10x = 248,965.05 × 136,427.90
  4. Step 4: Simplify right side
    166,171.10x = 33,965,778,944.90
  5. Step 5: Solve for x
    x = 33,965,778,944.90/166,171.10
  6. Step 6: Final answer
    x = 204,402.44

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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.