Home / 203,698.02-281,099.03-113,048.71

Finding the Fourth Proportional to 203,698.02, 281,099.03 and 113,048.71

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Solution

The fourth proportional to 203,698.02, 281,099.03 and 113,048.71 is: 156,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,698.02 : 281,099.03 = 113,048.71 : x
  2. Step 2: Convert to fraction form
    203,698.02/281,099.03 = 113,048.71/x
  3. Step 3: Cross multiply
    203,698.02x = 281,099.03 × 113,048.71
  4. Step 4: Simplify right side
    203,698.02x = 31,777,882,723.75
  5. Step 5: Solve for x
    x = 31,777,882,723.75/203,698.02
  6. Step 6: Final answer
    x = 156,004.87

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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.