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Finding the Fourth Proportional to 141,170, 211,755 and 42,674

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Solution

The fourth proportional to 141,170, 211,755 and 42,674 is: 64,011

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,170 : 211,755 = 42,674 : x
  2. Step 2: Convert to fraction form
    141,170/211,755 = 42,674/x
  3. Step 3: Cross multiply
    141,170x = 211,755 × 42,674
  4. Step 4: Simplify right side
    141,170x = 9,036,432,870
  5. Step 5: Solve for x
    x = 9,036,432,870/141,170
  6. Step 6: Final answer
    x = 64,011

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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.