Home / 118,929.82-178,269.84-40,016.64

Finding the Fourth Proportional to 118,929.82, 178,269.84 and 40,016.64

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Solution

The fourth proportional to 118,929.82, 178,269.84 and 40,016.64 is: 59,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,929.82 : 178,269.84 = 40,016.64 : x
  2. Step 2: Convert to fraction form
    118,929.82/178,269.84 = 40,016.64/x
  3. Step 3: Cross multiply
    118,929.82x = 178,269.84 × 40,016.64
  4. Step 4: Simplify right side
    118,929.82x = 7,133,760,010.14
  5. Step 5: Solve for x
    x = 7,133,760,010.14/118,929.82
  6. Step 6: Final answer
    x = 59,982.94

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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.