Home / 74,147.10-111,226.72-21,556.52

Finding the Fourth Proportional to 74,147.10, 111,226.72 and 21,556.52

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Solution

The fourth proportional to 74,147.10, 111,226.72 and 21,556.52 is: 32,336.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,147.10 : 111,226.72 = 21,556.52 : x
  2. Step 2: Convert to fraction form
    74,147.10/111,226.72 = 21,556.52/x
  3. Step 3: Cross multiply
    74,147.10x = 111,226.72 × 21,556.52
  4. Step 4: Simplify right side
    74,147.10x = 2,397,661,014.21
  5. Step 5: Solve for x
    x = 2,397,661,014.21/74,147.10
  6. Step 6: Final answer
    x = 32,336.54

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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.