Home / 188,050.78-259,446.96-107,421.22

Finding the Fourth Proportional to 188,050.78, 259,446.96 and 107,421.22

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Solution

The fourth proportional to 188,050.78, 259,446.96 and 107,421.22 is: 148,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,050.78 : 259,446.96 = 107,421.22 : x
  2. Step 2: Convert to fraction form
    188,050.78/259,446.96 = 107,421.22/x
  3. Step 3: Cross multiply
    188,050.78x = 259,446.96 × 107,421.22
  4. Step 4: Simplify right side
    188,050.78x = 27,870,107,134.15
  5. Step 5: Solve for x
    x = 27,870,107,134.15/188,050.78
  6. Step 6: Final answer
    x = 148,205.22

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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.