Home / 104,839.91-144,674.06-57,092.97

Finding the Fourth Proportional to 104,839.91, 144,674.06 and 57,092.97

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Solution

The fourth proportional to 104,839.91, 144,674.06 and 57,092.97 is: 78,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,839.91 : 144,674.06 = 57,092.97 : x
  2. Step 2: Convert to fraction form
    104,839.91/144,674.06 = 57,092.97/x
  3. Step 3: Cross multiply
    104,839.91x = 144,674.06 × 57,092.97
  4. Step 4: Simplify right side
    104,839.91x = 8,259,871,481.89
  5. Step 5: Solve for x
    x = 8,259,871,481.89/104,839.91
  6. Step 6: Final answer
    x = 78,785.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.