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Finding the Fourth Proportional to 119,902.40, 179,853.60 and 41,009.60

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Solution

The fourth proportional to 119,902.40, 179,853.60 and 41,009.60 is: 61,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,902.40 : 179,853.60 = 41,009.60 : x
  2. Step 2: Convert to fraction form
    119,902.40/179,853.60 = 41,009.60/x
  3. Step 3: Cross multiply
    119,902.40x = 179,853.60 × 41,009.60
  4. Step 4: Simplify right side
    119,902.40x = 7,375,724,194.56
  5. Step 5: Solve for x
    x = 7,375,724,194.56/119,902.40
  6. Step 6: Final answer
    x = 61,514.40

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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.