Home / 188,019.60-259,450.56-107,431.04

Finding the Fourth Proportional to 188,019.60, 259,450.56 and 107,431.04

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Solution

The fourth proportional to 188,019.60, 259,450.56 and 107,431.04 is: 148,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,019.60 : 259,450.56 = 107,431.04 : x
  2. Step 2: Convert to fraction form
    188,019.60/259,450.56 = 107,431.04/x
  3. Step 3: Cross multiply
    188,019.60x = 259,450.56 × 107,431.04
  4. Step 4: Simplify right side
    188,019.60x = 27,873,043,489.38
  5. Step 5: Solve for x
    x = 27,873,043,489.38/188,019.60
  6. Step 6: Final answer
    x = 148,245.41

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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.