Home / 100,004.70-150,024.33-40,872.54

Finding the Fourth Proportional to 100,004.70, 150,024.33 and 40,872.54

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Solution

The fourth proportional to 100,004.70, 150,024.33 and 40,872.54 is: 61,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,004.70 : 150,024.33 = 40,872.54 : x
  2. Step 2: Convert to fraction form
    100,004.70/150,024.33 = 40,872.54/x
  3. Step 3: Cross multiply
    100,004.70x = 150,024.33 × 40,872.54
  4. Step 4: Simplify right side
    100,004.70x = 6,131,875,428.90
  5. Step 5: Solve for x
    x = 6,131,875,428.90/100,004.70
  6. Step 6: Final answer
    x = 61,315.87

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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.