Home / 131,190.33-196,690.69-51,160.51

Finding the Fourth Proportional to 131,190.33, 196,690.69 and 51,160.51

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Solution

The fourth proportional to 131,190.33, 196,690.69 and 51,160.51 is: 76,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,190.33 : 196,690.69 = 51,160.51 : x
  2. Step 2: Convert to fraction form
    131,190.33/196,690.69 = 51,160.51/x
  3. Step 3: Cross multiply
    131,190.33x = 196,690.69 × 51,160.51
  4. Step 4: Simplify right side
    131,190.33x = 10,062,794,773.40
  5. Step 5: Solve for x
    x = 10,062,794,773.40/131,190.33
  6. Step 6: Final answer
    x = 76,703.78

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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.