Home / 188,088.53-259,562.12-107,517.78

Finding the Fourth Proportional to 188,088.53, 259,562.12 and 107,517.78

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Solution

The fourth proportional to 188,088.53, 259,562.12 and 107,517.78 is: 148,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,088.53 : 259,562.12 = 107,517.78 : x
  2. Step 2: Convert to fraction form
    188,088.53/259,562.12 = 107,517.78/x
  3. Step 3: Cross multiply
    188,088.53x = 259,562.12 × 107,517.78
  4. Step 4: Simplify right side
    188,088.53x = 27,907,542,376.90
  5. Step 5: Solve for x
    x = 27,907,542,376.90/188,088.53
  6. Step 6: Final answer
    x = 148,374.51

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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.