Home / 107,917.30-161,922.68-57,939.08

Finding the Fourth Proportional to 107,917.30, 161,922.68 and 57,939.08

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Solution

The fourth proportional to 107,917.30, 161,922.68 and 57,939.08 is: 86,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,917.30 : 161,922.68 = 57,939.08 : x
  2. Step 2: Convert to fraction form
    107,917.30/161,922.68 = 57,939.08/x
  3. Step 3: Cross multiply
    107,917.30x = 161,922.68 × 57,939.08
  4. Step 4: Simplify right side
    107,917.30x = 9,381,650,820.64
  5. Step 5: Solve for x
    x = 9,381,650,820.64/107,917.30
  6. Step 6: Final answer
    x = 86,933.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.