Home / 204,126.75-281,678.96-113,477.20

Finding the Fourth Proportional to 204,126.75, 281,678.96 and 113,477.20

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Solution

The fourth proportional to 204,126.75, 281,678.96 and 113,477.20 is: 156,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,126.75 : 281,678.96 = 113,477.20 : x
  2. Step 2: Convert to fraction form
    204,126.75/281,678.96 = 113,477.20/x
  3. Step 3: Cross multiply
    204,126.75x = 281,678.96 × 113,477.20
  4. Step 4: Simplify right side
    204,126.75x = 31,964,137,987.62
  5. Step 5: Solve for x
    x = 31,964,137,987.62/204,126.75
  6. Step 6: Final answer
    x = 156,589.66

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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.