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Finding the Fourth Proportional to 104,297.30, 143,877.29 and 65,992.30

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Solution

The fourth proportional to 104,297.30, 143,877.29 and 65,992.30 is: 91,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,297.30 : 143,877.29 = 65,992.30 : x
  2. Step 2: Convert to fraction form
    104,297.30/143,877.29 = 65,992.30/x
  3. Step 3: Cross multiply
    104,297.30x = 143,877.29 × 65,992.30
  4. Step 4: Simplify right side
    104,297.30x = 9,494,793,284.87
  5. Step 5: Solve for x
    x = 9,494,793,284.87/104,297.30
  6. Step 6: Final answer
    x = 91,035.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.