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Finding the Fourth Proportional to 95,978.06, 143,950.80 and 25,841.78

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Solution

The fourth proportional to 95,978.06, 143,950.80 and 25,841.78 is: 38,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,978.06 : 143,950.80 = 25,841.78 : x
  2. Step 2: Convert to fraction form
    95,978.06/143,950.80 = 25,841.78/x
  3. Step 3: Cross multiply
    95,978.06x = 143,950.80 × 25,841.78
  4. Step 4: Simplify right side
    95,978.06x = 3,719,944,904.42
  5. Step 5: Solve for x
    x = 3,719,944,904.42/95,978.06
  6. Step 6: Final answer
    x = 38,758.28

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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.