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Finding the Fourth Proportional to 95,758, 143,652.56 and 28,296.88

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Solution

The fourth proportional to 95,758, 143,652.56 and 28,296.88 is: 42,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,758 : 143,652.56 = 28,296.88 : x
  2. Step 2: Convert to fraction form
    95,758/143,652.56 = 28,296.88/x
  3. Step 3: Cross multiply
    95,758x = 143,652.56 × 28,296.88
  4. Step 4: Simplify right side
    95,758x = 4,064,919,252.01
  5. Step 5: Solve for x
    x = 4,064,919,252.01/95,758
  6. Step 6: Final answer
    x = 42,449.92

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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.