Home / 179,575.55-269,427.80-76,949.81

Finding the Fourth Proportional to 179,575.55, 269,427.80 and 76,949.81

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Solution

The fourth proportional to 179,575.55, 269,427.80 and 76,949.81 is: 115,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,575.55 : 269,427.80 = 76,949.81 : x
  2. Step 2: Convert to fraction form
    179,575.55/269,427.80 = 76,949.81/x
  3. Step 3: Cross multiply
    179,575.55x = 269,427.80 × 76,949.81
  4. Step 4: Simplify right side
    179,575.55x = 20,732,418,018.72
  5. Step 5: Solve for x
    x = 20,732,418,018.72/179,575.55
  6. Step 6: Final answer
    x = 115,452.34

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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.