Home / 210,227.03-315,390.77-68,072.46

Finding the Fourth Proportional to 210,227.03, 315,390.77 and 68,072.46

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Solution

The fourth proportional to 210,227.03, 315,390.77 and 68,072.46 is: 102,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,227.03 : 315,390.77 = 68,072.46 : x
  2. Step 2: Convert to fraction form
    210,227.03/315,390.77 = 68,072.46/x
  3. Step 3: Cross multiply
    210,227.03x = 315,390.77 × 68,072.46
  4. Step 4: Simplify right side
    210,227.03x = 21,469,424,307.39
  5. Step 5: Solve for x
    x = 21,469,424,307.39/210,227.03
  6. Step 6: Final answer
    x = 102,124.95

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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.