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Finding the Fourth Proportional to 104,422.38, 144,103.02 and 56,675.73

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Solution

The fourth proportional to 104,422.38, 144,103.02 and 56,675.73 is: 78,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422.38 : 144,103.02 = 56,675.73 : x
  2. Step 2: Convert to fraction form
    104,422.38/144,103.02 = 56,675.73/x
  3. Step 3: Cross multiply
    104,422.38x = 144,103.02 × 56,675.73
  4. Step 4: Simplify right side
    104,422.38x = 8,167,143,853.70
  5. Step 5: Solve for x
    x = 8,167,143,853.70/104,422.38
  6. Step 6: Final answer
    x = 78,212.58

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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.