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Finding the Fourth Proportional to 133,049.44, 199,675.68 and 48,889.36

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Solution

The fourth proportional to 133,049.44, 199,675.68 and 48,889.36 is: 73,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,049.44 : 199,675.68 = 48,889.36 : x
  2. Step 2: Convert to fraction form
    133,049.44/199,675.68 = 48,889.36/x
  3. Step 3: Cross multiply
    133,049.44x = 199,675.68 × 48,889.36
  4. Step 4: Simplify right side
    133,049.44x = 9,762,016,202.76
  5. Step 5: Solve for x
    x = 9,762,016,202.76/133,049.44
  6. Step 6: Final answer
    x = 73,371.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.