Home / 254,072.37-381,108.57-67,085.49

Finding the Fourth Proportional to 254,072.37, 381,108.57 and 67,085.49

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Solution

The fourth proportional to 254,072.37, 381,108.57 and 67,085.49 is: 100,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,072.37 : 381,108.57 = 67,085.49 : x
  2. Step 2: Convert to fraction form
    254,072.37/381,108.57 = 67,085.49/x
  3. Step 3: Cross multiply
    254,072.37x = 381,108.57 × 67,085.49
  4. Step 4: Simplify right side
    254,072.37x = 25,566,855,161.65
  5. Step 5: Solve for x
    x = 25,566,855,161.65/254,072.37
  6. Step 6: Final answer
    x = 100,628.24

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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.