Home / 188,014.98-281,992.21-54,864.03

Finding the Fourth Proportional to 188,014.98, 281,992.21 and 54,864.03

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Solution

The fourth proportional to 188,014.98, 281,992.21 and 54,864.03 is: 82,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,014.98 : 281,992.21 = 54,864.03 : x
  2. Step 2: Convert to fraction form
    188,014.98/281,992.21 = 54,864.03/x
  3. Step 3: Cross multiply
    188,014.98x = 281,992.21 × 54,864.03
  4. Step 4: Simplify right side
    188,014.98x = 15,471,229,069.21
  5. Step 5: Solve for x
    x = 15,471,229,069.21/188,014.98
  6. Step 6: Final answer
    x = 82,287.21

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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.