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Finding the Fourth Proportional to 121,958.65, 182,892.50 and 41,974.27

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Solution

The fourth proportional to 121,958.65, 182,892.50 and 41,974.27 is: 62,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,958.65 : 182,892.50 = 41,974.27 : x
  2. Step 2: Convert to fraction form
    121,958.65/182,892.50 = 41,974.27/x
  3. Step 3: Cross multiply
    121,958.65x = 182,892.50 × 41,974.27
  4. Step 4: Simplify right side
    121,958.65x = 7,676,779,175.98
  5. Step 5: Solve for x
    x = 7,676,779,175.98/121,958.65
  6. Step 6: Final answer
    x = 62,945.75

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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.