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Finding the Fourth Proportional to 188,018.68, 259,461 and 107,441.08

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Solution

The fourth proportional to 188,018.68, 259,461 and 107,441.08 is: 148,265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,018.68 : 259,461 = 107,441.08 : x
  2. Step 2: Convert to fraction form
    188,018.68/259,461 = 107,441.08/x
  3. Step 3: Cross multiply
    188,018.68x = 259,461 × 107,441.08
  4. Step 4: Simplify right side
    188,018.68x = 27,876,770,057.88
  5. Step 5: Solve for x
    x = 27,876,770,057.88/188,018.68
  6. Step 6: Final answer
    x = 148,265.96

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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.