Finding the Fourth Proportional to 122,006.93, 168,369.52 and 68,291.93
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Solution
The fourth proportional to 122,006.93, 168,369.52 and 68,291.93 is: 94,242.84
Step by Step Solution
- Step 1: Write the proportion equation
122,006.93 : 168,369.52 = 68,291.93 : x - Step 2: Convert to fraction form
122,006.93/168,369.52 = 68,291.93/x - Step 3: Cross multiply
122,006.93x = 168,369.52 × 68,291.93 - Step 4: Simplify right side
122,006.93x = 11,498,279,473.97 - Step 5: Solve for x
x = 11,498,279,473.97/122,006.93 - Step 6: Final answer
x = 94,242.84
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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.