Home / 188,217.20-259,740.21-103,339.73

Finding the Fourth Proportional to 188,217.20, 259,740.21 and 103,339.73

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Solution

The fourth proportional to 188,217.20, 259,740.21 and 103,339.73 is: 142,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,217.20 : 259,740.21 = 103,339.73 : x
  2. Step 2: Convert to fraction form
    188,217.20/259,740.21 = 103,339.73/x
  3. Step 3: Cross multiply
    188,217.20x = 259,740.21 × 103,339.73
  4. Step 4: Simplify right side
    188,217.20x = 26,841,483,171.54
  5. Step 5: Solve for x
    x = 26,841,483,171.54/188,217.20
  6. Step 6: Final answer
    x = 142,609.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.