Home / 95,489.51-131,778.36-55,199.70

Finding the Fourth Proportional to 95,489.51, 131,778.36 and 55,199.70

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Solution

The fourth proportional to 95,489.51, 131,778.36 and 55,199.70 is: 76,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,489.51 : 131,778.36 = 55,199.70 : x
  2. Step 2: Convert to fraction form
    95,489.51/131,778.36 = 55,199.70/x
  3. Step 3: Cross multiply
    95,489.51x = 131,778.36 × 55,199.70
  4. Step 4: Simplify right side
    95,489.51x = 7,274,125,938.49
  5. Step 5: Solve for x
    x = 7,274,125,938.49/95,489.51
  6. Step 6: Final answer
    x = 76,177.23

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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.