Home / 188,216.20-259,738.83-103,338.73

Finding the Fourth Proportional to 188,216.20, 259,738.83 and 103,338.73

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Solution

The fourth proportional to 188,216.20, 259,738.83 and 103,338.73 is: 142,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,216.20 : 259,738.83 = 103,338.73 : x
  2. Step 2: Convert to fraction form
    188,216.20/259,738.83 = 103,338.73/x
  3. Step 3: Cross multiply
    188,216.20x = 259,738.83 × 103,338.73
  4. Step 4: Simplify right side
    188,216.20x = 26,841,080,823.89
  5. Step 5: Solve for x
    x = 26,841,080,823.89/188,216.20
  6. Step 6: Final answer
    x = 142,607.71

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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.