Home / 109,646.56-164,480.14-30,760.44

Finding the Fourth Proportional to 109,646.56, 164,480.14 and 30,760.44

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Solution

The fourth proportional to 109,646.56, 164,480.14 and 30,760.44 is: 46,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,646.56 : 164,480.14 = 30,760.44 : x
  2. Step 2: Convert to fraction form
    109,646.56/164,480.14 = 30,760.44/x
  3. Step 3: Cross multiply
    109,646.56x = 164,480.14 × 30,760.44
  4. Step 4: Simplify right side
    109,646.56x = 5,059,481,477.66
  5. Step 5: Solve for x
    x = 5,059,481,477.66/109,646.56
  6. Step 6: Final answer
    x = 46,143.55

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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.