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Finding the Fourth Proportional to 119,453.37, 178,994.14 and 44,553.48

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Solution

The fourth proportional to 119,453.37, 178,994.14 and 44,553.48 is: 66,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,453.37 : 178,994.14 = 44,553.48 : x
  2. Step 2: Convert to fraction form
    119,453.37/178,994.14 = 44,553.48/x
  3. Step 3: Cross multiply
    119,453.37x = 178,994.14 × 44,553.48
  4. Step 4: Simplify right side
    119,453.37x = 7,974,811,054.00
  5. Step 5: Solve for x
    x = 7,974,811,054.00/119,453.37
  6. Step 6: Final answer
    x = 66,760.87

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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.