Home / 204,087.32-281,619.18-113,428.76

Finding the Fourth Proportional to 204,087.32, 281,619.18 and 113,428.76

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Solution

The fourth proportional to 204,087.32, 281,619.18 and 113,428.76 is: 156,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,087.32 : 281,619.18 = 113,428.76 : x
  2. Step 2: Convert to fraction form
    204,087.32/281,619.18 = 113,428.76/x
  3. Step 3: Cross multiply
    204,087.32x = 281,619.18 × 113,428.76
  4. Step 4: Simplify right side
    204,087.32x = 31,943,714,379.62
  5. Step 5: Solve for x
    x = 31,943,714,379.62/204,087.32
  6. Step 6: Final answer
    x = 156,519.84

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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.