Home / 107,923.76-161,932.26-57,945.49

Finding the Fourth Proportional to 107,923.76, 161,932.26 and 57,945.49

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Solution

The fourth proportional to 107,923.76, 161,932.26 and 57,945.49 is: 86,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,923.76 : 161,932.26 = 57,945.49 : x
  2. Step 2: Convert to fraction form
    107,923.76/161,932.26 = 57,945.49/x
  3. Step 3: Cross multiply
    107,923.76x = 161,932.26 × 57,945.49
  4. Step 4: Simplify right side
    107,923.76x = 9,383,243,964.97
  5. Step 5: Solve for x
    x = 9,383,243,964.97/107,923.76
  6. Step 6: Final answer
    x = 86,943.27

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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.