Home / 109,512.90-164,257.20-30,635.10

Finding the Fourth Proportional to 109,512.90, 164,257.20 and 30,635.10

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Solution

The fourth proportional to 109,512.90, 164,257.20 and 30,635.10 is: 45,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,512.90 : 164,257.20 = 30,635.10 : x
  2. Step 2: Convert to fraction form
    109,512.90/164,257.20 = 30,635.10/x
  3. Step 3: Cross multiply
    109,512.90x = 164,257.20 × 30,635.10
  4. Step 4: Simplify right side
    109,512.90x = 5,032,035,747.72
  5. Step 5: Solve for x
    x = 5,032,035,747.72/109,512.90
  6. Step 6: Final answer
    x = 45,949.25

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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.