Home / 188,086.34-259,559.16-107,515.62

Finding the Fourth Proportional to 188,086.34, 259,559.16 and 107,515.62

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Solution

The fourth proportional to 188,086.34, 259,559.16 and 107,515.62 is: 148,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,086.34 : 259,559.16 = 107,515.62 : x
  2. Step 2: Convert to fraction form
    188,086.34/259,559.16 = 107,515.62/x
  3. Step 3: Cross multiply
    188,086.34x = 259,559.16 × 107,515.62
  4. Step 4: Simplify right side
    188,086.34x = 27,906,664,014.08
  5. Step 5: Solve for x
    x = 27,906,664,014.08/188,086.34
  6. Step 6: Final answer
    x = 148,371.57

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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.