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Finding the Fourth Proportional to 119,687.62, 179,537.58 and 30,941.89

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Solution

The fourth proportional to 119,687.62, 179,537.58 and 30,941.89 is: 46,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,687.62 : 179,537.58 = 30,941.89 : x
  2. Step 2: Convert to fraction form
    119,687.62/179,537.58 = 30,941.89/x
  3. Step 3: Cross multiply
    119,687.62x = 179,537.58 × 30,941.89
  4. Step 4: Simplify right side
    119,687.62x = 5,555,232,051.23
  5. Step 5: Solve for x
    x = 5,555,232,051.23/119,687.62
  6. Step 6: Final answer
    x = 46,414.42

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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.