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Finding the Fourth Proportional to 119,979, 179,969.40 and 41,094

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Solution

The fourth proportional to 119,979, 179,969.40 and 41,094 is: 61,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,979 : 179,969.40 = 41,094 : x
  2. Step 2: Convert to fraction form
    119,979/179,969.40 = 41,094/x
  3. Step 3: Cross multiply
    119,979x = 179,969.40 × 41,094
  4. Step 4: Simplify right side
    119,979x = 7,395,662,523.60
  5. Step 5: Solve for x
    x = 7,395,662,523.60/119,979
  6. Step 6: Final answer
    x = 61,641.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.