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Finding the Fourth Proportional to 192,636.48, 265,858.20 and 110,967.48

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Solution

The fourth proportional to 192,636.48, 265,858.20 and 110,967.48 is: 153,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,636.48 : 265,858.20 = 110,967.48 : x
  2. Step 2: Convert to fraction form
    192,636.48/265,858.20 = 110,967.48/x
  3. Step 3: Cross multiply
    192,636.48x = 265,858.20 × 110,967.48
  4. Step 4: Simplify right side
    192,636.48x = 29,501,614,491.34
  5. Step 5: Solve for x
    x = 29,501,614,491.34/192,636.48
  6. Step 6: Final answer
    x = 153,146.56

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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.