Home / 118,986.97-178,481.07-40,101.88

Finding the Fourth Proportional to 118,986.97, 178,481.07 and 40,101.88

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Solution

The fourth proportional to 118,986.97, 178,481.07 and 40,101.88 is: 60,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,986.97 : 178,481.07 = 40,101.88 : x
  2. Step 2: Convert to fraction form
    118,986.97/178,481.07 = 40,101.88/x
  3. Step 3: Cross multiply
    118,986.97x = 178,481.07 × 40,101.88
  4. Step 4: Simplify right side
    118,986.97x = 7,157,426,897.61
  5. Step 5: Solve for x
    x = 7,157,426,897.61/118,986.97
  6. Step 6: Final answer
    x = 60,153.03

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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.