Home / 109,512.62-164,206.06-42,874.73

Finding the Fourth Proportional to 109,512.62, 164,206.06 and 42,874.73

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Solution

The fourth proportional to 109,512.62, 164,206.06 and 42,874.73 is: 64,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,512.62 : 164,206.06 = 42,874.73 : x
  2. Step 2: Convert to fraction form
    109,512.62/164,206.06 = 42,874.73/x
  3. Step 3: Cross multiply
    109,512.62x = 164,206.06 × 42,874.73
  4. Step 4: Simplify right side
    109,512.62x = 7,040,290,790.19
  5. Step 5: Solve for x
    x = 7,040,290,790.19/109,512.62
  6. Step 6: Final answer
    x = 64,287.48

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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.