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Finding the Fourth Proportional to 148,885.86, 223,197.48 and 55,326

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Solution

The fourth proportional to 148,885.86, 223,197.48 and 55,326 is: 82,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,885.86 : 223,197.48 = 55,326 : x
  2. Step 2: Convert to fraction form
    148,885.86/223,197.48 = 55,326/x
  3. Step 3: Cross multiply
    148,885.86x = 223,197.48 × 55,326
  4. Step 4: Simplify right side
    148,885.86x = 12,348,623,778.48
  5. Step 5: Solve for x
    x = 12,348,623,778.48/148,885.86
  6. Step 6: Final answer
    x = 82,940.21

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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.