Home / 188,321.64-259,929.10-107,795.84

Finding the Fourth Proportional to 188,321.64, 259,929.10 and 107,795.84

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Solution

The fourth proportional to 188,321.64, 259,929.10 and 107,795.84 is: 148,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,321.64 : 259,929.10 = 107,795.84 : x
  2. Step 2: Convert to fraction form
    188,321.64/259,929.10 = 107,795.84/x
  3. Step 3: Cross multiply
    188,321.64x = 259,929.10 × 107,795.84
  4. Step 4: Simplify right side
    188,321.64x = 28,019,275,674.94
  5. Step 5: Solve for x
    x = 28,019,275,674.94/188,321.64
  6. Step 6: Final answer
    x = 148,784.15

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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.