Finding the Fourth Proportional to 122,269.79, 168,691.98 and 73,853.63
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Solution
The fourth proportional to 122,269.79, 168,691.98 and 73,853.63 is: 101,893.65
Step by Step Solution
- Step 1: Write the proportion equation
122,269.79 : 168,691.98 = 73,853.63 : x - Step 2: Convert to fraction form
122,269.79/168,691.98 = 73,853.63/x - Step 3: Cross multiply
122,269.79x = 168,691.98 × 73,853.63 - Step 4: Simplify right side
122,269.79x = 12,458,514,705.62 - Step 5: Solve for x
x = 12,458,514,705.62/122,269.79 - Step 6: Final answer
x = 101,893.65
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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.