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Finding the Fourth Proportional to 159,938, 239,907 and 49,130

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Solution

The fourth proportional to 159,938, 239,907 and 49,130 is: 73,695

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,938 : 239,907 = 49,130 : x
  2. Step 2: Convert to fraction form
    159,938/239,907 = 49,130/x
  3. Step 3: Cross multiply
    159,938x = 239,907 × 49,130
  4. Step 4: Simplify right side
    159,938x = 11,786,630,910
  5. Step 5: Solve for x
    x = 11,786,630,910/159,938
  6. Step 6: Final answer
    x = 73,695

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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.