Home / 109,639.56-164,469.66-30,753.44

Finding the Fourth Proportional to 109,639.56, 164,469.66 and 30,753.44

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Solution

The fourth proportional to 109,639.56, 164,469.66 and 30,753.44 is: 46,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,639.56 : 164,469.66 = 30,753.44 : x
  2. Step 2: Convert to fraction form
    109,639.56/164,469.66 = 30,753.44/x
  3. Step 3: Cross multiply
    109,639.56x = 164,469.66 × 30,753.44
  4. Step 4: Simplify right side
    109,639.56x = 5,058,007,820.63
  5. Step 5: Solve for x
    x = 5,058,007,820.63/109,639.56
  6. Step 6: Final answer
    x = 46,133.05

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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.