Home / 122,100.54-168,496.38-67,647.48

Finding the Fourth Proportional to 122,100.54, 168,496.38 and 67,647.48

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Solution

The fourth proportional to 122,100.54, 168,496.38 and 67,647.48 is: 93,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,100.54 : 168,496.38 = 67,647.48 : x
  2. Step 2: Convert to fraction form
    122,100.54/168,496.38 = 67,647.48/x
  3. Step 3: Cross multiply
    122,100.54x = 168,496.38 × 67,647.48
  4. Step 4: Simplify right side
    122,100.54x = 11,398,355,496.12
  5. Step 5: Solve for x
    x = 11,398,355,496.12/122,100.54
  6. Step 6: Final answer
    x = 93,352.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.