Home / 188,015.15-281,992.50-54,864.21

Finding the Fourth Proportional to 188,015.15, 281,992.50 and 54,864.21

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Solution

The fourth proportional to 188,015.15, 281,992.50 and 54,864.21 is: 82,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,015.15 : 281,992.50 = 54,864.21 : x
  2. Step 2: Convert to fraction form
    188,015.15/281,992.50 = 54,864.21/x
  3. Step 3: Cross multiply
    188,015.15x = 281,992.50 × 54,864.21
  4. Step 4: Simplify right side
    188,015.15x = 15,471,295,738.43
  5. Step 5: Solve for x
    x = 15,471,295,738.43/188,015.15
  6. Step 6: Final answer
    x = 82,287.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.