Home / 108,000.38-161,994.51-33,120.33

Finding the Fourth Proportional to 108,000.38, 161,994.51 and 33,120.33

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Solution

The fourth proportional to 108,000.38, 161,994.51 and 33,120.33 is: 49,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,000.38 : 161,994.51 = 33,120.33 : x
  2. Step 2: Convert to fraction form
    108,000.38/161,994.51 = 33,120.33/x
  3. Step 3: Cross multiply
    108,000.38x = 161,994.51 × 33,120.33
  4. Step 4: Simplify right side
    108,000.38x = 5,365,311,021.91
  5. Step 5: Solve for x
    x = 5,365,311,021.91/108,000.38
  6. Step 6: Final answer
    x = 49,678.63

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1.5x scale

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.