Home / 74,198.78-111,296.54-18,039.18

Finding the Fourth Proportional to 74,198.78, 111,296.54 and 18,039.18

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Solution

The fourth proportional to 74,198.78, 111,296.54 and 18,039.18 is: 27,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,198.78 : 111,296.54 = 18,039.18 : x
  2. Step 2: Convert to fraction form
    74,198.78/111,296.54 = 18,039.18/x
  3. Step 3: Cross multiply
    74,198.78x = 111,296.54 × 18,039.18
  4. Step 4: Simplify right side
    74,198.78x = 2,007,698,318.44
  5. Step 5: Solve for x
    x = 2,007,698,318.44/74,198.78
  6. Step 6: Final answer
    x = 27,058.37

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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.