Home / 129,796.31-194,781.34-45,556.87

Finding the Fourth Proportional to 129,796.31, 194,781.34 and 45,556.87

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Solution

The fourth proportional to 129,796.31, 194,781.34 and 45,556.87 is: 68,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,796.31 : 194,781.34 = 45,556.87 : x
  2. Step 2: Convert to fraction form
    129,796.31/194,781.34 = 45,556.87/x
  3. Step 3: Cross multiply
    129,796.31x = 194,781.34 × 45,556.87
  4. Step 4: Simplify right side
    129,796.31x = 8,873,628,184.81
  5. Step 5: Solve for x
    x = 8,873,628,184.81/129,796.31
  6. Step 6: Final answer
    x = 68,365.80

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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.