Home / 179,464.31-269,201.69-67,123.09

Finding the Fourth Proportional to 179,464.31, 269,201.69 and 67,123.09

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Solution

The fourth proportional to 179,464.31, 269,201.69 and 67,123.09 is: 100,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,464.31 : 269,201.69 = 67,123.09 : x
  2. Step 2: Convert to fraction form
    179,464.31/269,201.69 = 67,123.09/x
  3. Step 3: Cross multiply
    179,464.31x = 269,201.69 × 67,123.09
  4. Step 4: Simplify right side
    179,464.31x = 18,069,649,991.58
  5. Step 5: Solve for x
    x = 18,069,649,991.58/179,464.31
  6. Step 6: Final answer
    x = 100,686.59

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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.