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Finding the Fourth Proportional to 181,993.78, 273,027.57 and 69,677.65

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Solution

The fourth proportional to 181,993.78, 273,027.57 and 69,677.65 is: 104,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,993.78 : 273,027.57 = 69,677.65 : x
  2. Step 2: Convert to fraction form
    181,993.78/273,027.57 = 69,677.65/x
  3. Step 3: Cross multiply
    181,993.78x = 273,027.57 × 69,677.65
  4. Step 4: Simplify right side
    181,993.78x = 19,023,919,462.81
  5. Step 5: Solve for x
    x = 19,023,919,462.81/181,993.78
  6. Step 6: Final answer
    x = 104,530.60

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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.