Home / 181,661.97-272,099.12-87,971.25

Finding the Fourth Proportional to 181,661.97, 272,099.12 and 87,971.25

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Solution

The fourth proportional to 181,661.97, 272,099.12 and 87,971.25 is: 131,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,661.97 : 272,099.12 = 87,971.25 : x
  2. Step 2: Convert to fraction form
    181,661.97/272,099.12 = 87,971.25/x
  3. Step 3: Cross multiply
    181,661.97x = 272,099.12 × 87,971.25
  4. Step 4: Simplify right side
    181,661.97x = 23,936,899,270.44
  5. Step 5: Solve for x
    x = 23,936,899,270.44/181,661.97
  6. Step 6: Final answer
    x = 131,766.15

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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.