Home / 109,481.09-164,207.51-34,608.80

Finding the Fourth Proportional to 109,481.09, 164,207.51 and 34,608.80

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Solution

The fourth proportional to 109,481.09, 164,207.51 and 34,608.80 is: 51,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,481.09 : 164,207.51 = 34,608.80 : x
  2. Step 2: Convert to fraction form
    109,481.09/164,207.51 = 34,608.80/x
  3. Step 3: Cross multiply
    109,481.09x = 164,207.51 × 34,608.80
  4. Step 4: Simplify right side
    109,481.09x = 5,683,025,109.56
  5. Step 5: Solve for x
    x = 5,683,025,109.56/109,481.09
  6. Step 6: Final answer
    x = 51,908.74

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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.