Home / 163,949.20-226,258.32-100,267

Finding the Fourth Proportional to 163,949.20, 226,258.32 and 100,267

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Solution

The fourth proportional to 163,949.20, 226,258.32 and 100,267 is: 138,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,949.20 : 226,258.32 = 100,267 : x
  2. Step 2: Convert to fraction form
    163,949.20/226,258.32 = 100,267/x
  3. Step 3: Cross multiply
    163,949.20x = 226,258.32 × 100,267
  4. Step 4: Simplify right side
    163,949.20x = 22,686,242,971.44
  5. Step 5: Solve for x
    x = 22,686,242,971.44/163,949.20
  6. Step 6: Final answer
    x = 138,373.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.