Home / 204,078.15-281,615.78-113,431.01

Finding the Fourth Proportional to 204,078.15, 281,615.78 and 113,431.01

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Solution

The fourth proportional to 204,078.15, 281,615.78 and 113,431.01 is: 156,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,078.15 : 281,615.78 = 113,431.01 : x
  2. Step 2: Convert to fraction form
    204,078.15/281,615.78 = 113,431.01/x
  3. Step 3: Cross multiply
    204,078.15x = 281,615.78 × 113,431.01
  4. Step 4: Simplify right side
    204,078.15x = 31,943,961,232.84
  5. Step 5: Solve for x
    x = 31,943,961,232.84/204,078.15
  6. Step 6: Final answer
    x = 156,528.08

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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.