Home / 108,004.20-161,984.70-51,844.20

Finding the Fourth Proportional to 108,004.20, 161,984.70 and 51,844.20

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Solution

The fourth proportional to 108,004.20, 161,984.70 and 51,844.20 is: 77,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,004.20 : 161,984.70 = 51,844.20 : x
  2. Step 2: Convert to fraction form
    108,004.20/161,984.70 = 51,844.20/x
  3. Step 3: Cross multiply
    108,004.20x = 161,984.70 × 51,844.20
  4. Step 4: Simplify right side
    108,004.20x = 8,397,967,183.74
  5. Step 5: Solve for x
    x = 8,397,967,183.74/108,004.20
  6. Step 6: Final answer
    x = 77,755.93

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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.