Home / 74,177.78-111,265.11-18,018.17

Finding the Fourth Proportional to 74,177.78, 111,265.11 and 18,018.17

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Solution

The fourth proportional to 74,177.78, 111,265.11 and 18,018.17 is: 27,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,177.78 : 111,265.11 = 18,018.17 : x
  2. Step 2: Convert to fraction form
    74,177.78/111,265.11 = 18,018.17/x
  3. Step 3: Cross multiply
    74,177.78x = 111,265.11 × 18,018.17
  4. Step 4: Simplify right side
    74,177.78x = 2,004,793,110.72
  5. Step 5: Solve for x
    x = 2,004,793,110.72/74,177.78
  6. Step 6: Final answer
    x = 27,026.87

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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.