Home / 95,428.41-131,726.61-81,945.51

Finding the Fourth Proportional to 95,428.41, 131,726.61 and 81,945.51

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Solution

The fourth proportional to 95,428.41, 131,726.61 and 81,945.51 is: 113,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,428.41 : 131,726.61 = 81,945.51 : x
  2. Step 2: Convert to fraction form
    95,428.41/131,726.61 = 81,945.51/x
  3. Step 3: Cross multiply
    95,428.41x = 131,726.61 × 81,945.51
  4. Step 4: Simplify right side
    95,428.41x = 10,794,404,237.02
  5. Step 5: Solve for x
    x = 10,794,404,237.02/95,428.41
  6. Step 6: Final answer
    x = 113,115.21

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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.