Finding the Fourth Proportional to 122,219.93, 168,668.39 and 68,504.56
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Solution
The fourth proportional to 122,219.93, 168,668.39 and 68,504.56 is: 94,539.02
Step by Step Solution
- Step 1: Write the proportion equation
122,219.93 : 168,668.39 = 68,504.56 : x - Step 2: Convert to fraction form
122,219.93/168,668.39 = 68,504.56/x - Step 3: Cross multiply
122,219.93x = 168,668.39 × 68,504.56 - Step 4: Simplify right side
122,219.93x = 11,554,552,656.99 - Step 5: Solve for x
x = 11,554,552,656.99/122,219.93 - Step 6: Final answer
x = 94,539.02
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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.