Home / 108,027.38-161,807.79-105,383.54

Finding the Fourth Proportional to 108,027.38, 161,807.79 and 105,383.54

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Solution

The fourth proportional to 108,027.38, 161,807.79 and 105,383.54 is: 157,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,027.38 : 161,807.79 = 105,383.54 : x
  2. Step 2: Convert to fraction form
    108,027.38/161,807.79 = 105,383.54/x
  3. Step 3: Cross multiply
    108,027.38x = 161,807.79 × 105,383.54
  4. Step 4: Simplify right side
    108,027.38x = 17,051,877,709.78
  5. Step 5: Solve for x
    x = 17,051,877,709.78/108,027.38
  6. Step 6: Final answer
    x = 157,847.74

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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.