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Finding the Fourth Proportional to 116,881.92, 175,389.84 and 49,408.56

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Solution

The fourth proportional to 116,881.92, 175,389.84 and 49,408.56 is: 74,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,881.92 : 175,389.84 = 49,408.56 : x
  2. Step 2: Convert to fraction form
    116,881.92/175,389.84 = 49,408.56/x
  3. Step 3: Cross multiply
    116,881.92x = 175,389.84 × 49,408.56
  4. Step 4: Simplify right side
    116,881.92x = 8,665,759,433.03
  5. Step 5: Solve for x
    x = 8,665,759,433.03/116,881.92
  6. Step 6: Final answer
    x = 74,141.15

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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.