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Finding the Fourth Proportional to 141,168, 211,752 and 42,672

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Solution

The fourth proportional to 141,168, 211,752 and 42,672 is: 64,008

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,168 : 211,752 = 42,672 : x
  2. Step 2: Convert to fraction form
    141,168/211,752 = 42,672/x
  3. Step 3: Cross multiply
    141,168x = 211,752 × 42,672
  4. Step 4: Simplify right side
    141,168x = 9,035,881,344
  5. Step 5: Solve for x
    x = 9,035,881,344/141,168
  6. Step 6: Final answer
    x = 64,008

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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.