Home / 188,014.82-281,881.97-113,117.42

Finding the Fourth Proportional to 188,014.82, 281,881.97 and 113,117.42

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Solution

The fourth proportional to 188,014.82, 281,881.97 and 113,117.42 is: 169,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,014.82 : 281,881.97 = 113,117.42 : x
  2. Step 2: Convert to fraction form
    188,014.82/281,881.97 = 113,117.42/x
  3. Step 3: Cross multiply
    188,014.82x = 281,881.97 × 113,117.42
  4. Step 4: Simplify right side
    188,014.82x = 31,885,759,215.92
  5. Step 5: Solve for x
    x = 31,885,759,215.92/188,014.82
  6. Step 6: Final answer
    x = 169,591.73

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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.