Finding the Fourth Proportional to 122,396.44, 168,908.70 and 68,693.08
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Solution
The fourth proportional to 122,396.44, 168,908.70 and 68,693.08 is: 94,797.36
Step by Step Solution
- Step 1: Write the proportion equation
122,396.44 : 168,908.70 = 68,693.08 : x - Step 2: Convert to fraction form
122,396.44/168,908.70 = 68,693.08/x - Step 3: Cross multiply
122,396.44x = 168,908.70 × 68,693.08 - Step 4: Simplify right side
122,396.44x = 11,602,858,841.80 - Step 5: Solve for x
x = 11,602,858,841.80/122,396.44 - Step 6: Final answer
x = 94,797.36
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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.