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Finding the Fourth Proportional to 85,104, 127,656 and 22,773.12

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Solution

The fourth proportional to 85,104, 127,656 and 22,773.12 is: 34,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,104 : 127,656 = 22,773.12 : x
  2. Step 2: Convert to fraction form
    85,104/127,656 = 22,773.12/x
  3. Step 3: Cross multiply
    85,104x = 127,656 × 22,773.12
  4. Step 4: Simplify right side
    85,104x = 2,907,125,406.72
  5. Step 5: Solve for x
    x = 2,907,125,406.72/85,104
  6. Step 6: Final answer
    x = 34,159.68

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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.