Home / 204,018.81-281,528.05-113,369.03

Finding the Fourth Proportional to 204,018.81, 281,528.05 and 113,369.03

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Solution

The fourth proportional to 204,018.81, 281,528.05 and 113,369.03 is: 156,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,018.81 : 281,528.05 = 113,369.03 : x
  2. Step 2: Convert to fraction form
    204,018.81/281,528.05 = 113,369.03/x
  3. Step 3: Cross multiply
    204,018.81x = 281,528.05 × 113,369.03
  4. Step 4: Simplify right side
    204,018.81x = 31,916,563,425.97
  5. Step 5: Solve for x
    x = 31,916,563,425.97/204,018.81
  6. Step 6: Final answer
    x = 156,439.32

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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.