Home / 122,396.73-168,861.03-90,208.19

Finding the Fourth Proportional to 122,396.73, 168,861.03 and 90,208.19

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Solution

The fourth proportional to 122,396.73, 168,861.03 and 90,208.19 is: 124,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,396.73 : 168,861.03 = 90,208.19 : x
  2. Step 2: Convert to fraction form
    122,396.73/168,861.03 = 90,208.19/x
  3. Step 3: Cross multiply
    122,396.73x = 168,861.03 × 90,208.19
  4. Step 4: Simplify right side
    122,396.73x = 15,232,647,033.53
  5. Step 5: Solve for x
    x = 15,232,647,033.53/122,396.73
  6. Step 6: Final answer
    x = 124,453.06

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1.5x scale

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.