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Finding the Fourth Proportional to 111,848, 167,772 and 28,742

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Solution

The fourth proportional to 111,848, 167,772 and 28,742 is: 43,113

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,848 : 167,772 = 28,742 : x
  2. Step 2: Convert to fraction form
    111,848/167,772 = 28,742/x
  3. Step 3: Cross multiply
    111,848x = 167,772 × 28,742
  4. Step 4: Simplify right side
    111,848x = 4,822,102,824
  5. Step 5: Solve for x
    x = 4,822,102,824/111,848
  6. Step 6: Final answer
    x = 43,113

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.