Home / 104,126.72-155,981.97-47,889.77

Finding the Fourth Proportional to 104,126.72, 155,981.97 and 47,889.77

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Solution

The fourth proportional to 104,126.72, 155,981.97 and 47,889.77 is: 71,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,126.72 : 155,981.97 = 47,889.77 : x
  2. Step 2: Convert to fraction form
    104,126.72/155,981.97 = 47,889.77/x
  3. Step 3: Cross multiply
    104,126.72x = 155,981.97 × 47,889.77
  4. Step 4: Simplify right side
    104,126.72x = 7,469,939,887.54
  5. Step 5: Solve for x
    x = 7,469,939,887.54/104,126.72
  6. Step 6: Final answer
    x = 71,738.94

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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.