Home / 204,018.21-281,527.20-113,368.43

Finding the Fourth Proportional to 204,018.21, 281,527.20 and 113,368.43

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Solution

The fourth proportional to 204,018.21, 281,527.20 and 113,368.43 is: 156,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,018.21 : 281,527.20 = 113,368.43 : x
  2. Step 2: Convert to fraction form
    204,018.21/281,527.20 = 113,368.43/x
  3. Step 3: Cross multiply
    204,018.21x = 281,527.20 × 113,368.43
  4. Step 4: Simplify right side
    204,018.21x = 31,916,296,666.30
  5. Step 5: Solve for x
    x = 31,916,296,666.30/204,018.21
  6. Step 6: Final answer
    x = 156,438.47

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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.