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Finding the Fourth Proportional to 95,785.14, 143,530 and 60,651

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Solution

The fourth proportional to 95,785.14, 143,530 and 60,651 is: 90,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,785.14 : 143,530 = 60,651 : x
  2. Step 2: Convert to fraction form
    95,785.14/143,530 = 60,651/x
  3. Step 3: Cross multiply
    95,785.14x = 143,530 × 60,651
  4. Step 4: Simplify right side
    95,785.14x = 8,705,238,030
  5. Step 5: Solve for x
    x = 8,705,238,030/95,785.14
  6. Step 6: Final answer
    x = 90,882.97

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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.