Finding the Fourth Proportional to 122,230.52, 168,674.94 and 68,519.02
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Solution
The fourth proportional to 122,230.52, 168,674.94 and 68,519.02 is: 94,554.47
Step by Step Solution
- Step 1: Write the proportion equation
122,230.52 : 168,674.94 = 68,519.02 : x - Step 2: Convert to fraction form
122,230.52/168,674.94 = 68,519.02/x - Step 3: Cross multiply
122,230.52x = 168,674.94 × 68,519.02 - Step 4: Simplify right side
122,230.52x = 11,557,441,587.36 - Step 5: Solve for x
x = 11,557,441,587.36/122,230.52 - Step 6: Final answer
x = 94,554.47
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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.