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Finding the Fourth Proportional to 95,496.30, 143,281.31 and 28,936.98

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Solution

The fourth proportional to 95,496.30, 143,281.31 and 28,936.98 is: 43,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,496.30 : 143,281.31 = 28,936.98 : x
  2. Step 2: Convert to fraction form
    95,496.30/143,281.31 = 28,936.98/x
  3. Step 3: Cross multiply
    95,496.30x = 143,281.31 × 28,936.98
  4. Step 4: Simplify right side
    95,496.30x = 4,146,128,257.16
  5. Step 5: Solve for x
    x = 4,146,128,257.16/95,496.30
  6. Step 6: Final answer
    x = 43,416.64

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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.