Home / 188,015.41-281,882.85-113,118.01

Finding the Fourth Proportional to 188,015.41, 281,882.85 and 113,118.01

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Solution

The fourth proportional to 188,015.41, 281,882.85 and 113,118.01 is: 169,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,015.41 : 281,882.85 = 113,118.01 : x
  2. Step 2: Convert to fraction form
    188,015.41/281,882.85 = 113,118.01/x
  3. Step 3: Cross multiply
    188,015.41x = 281,882.85 × 113,118.01
  4. Step 4: Simplify right side
    188,015.41x = 31,886,027,045.13
  5. Step 5: Solve for x
    x = 31,886,027,045.13/188,015.41
  6. Step 6: Final answer
    x = 169,592.63

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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.