Home / 148,738.78-223,196.82-53,976.37

Finding the Fourth Proportional to 148,738.78, 223,196.82 and 53,976.37

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Solution

The fourth proportional to 148,738.78, 223,196.82 and 53,976.37 is: 80,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,738.78 : 223,196.82 = 53,976.37 : x
  2. Step 2: Convert to fraction form
    148,738.78/223,196.82 = 53,976.37/x
  3. Step 3: Cross multiply
    148,738.78x = 223,196.82 × 53,976.37
  4. Step 4: Simplify right side
    148,738.78x = 12,047,353,023.16
  5. Step 5: Solve for x
    x = 12,047,353,023.16/148,738.78
  6. Step 6: Final answer
    x = 80,996.72

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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.