Finding the Fourth Proportional to 122,296.19, 168,540.21 and 95,396.09
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Solution
The fourth proportional to 122,296.19, 168,540.21 and 95,396.09 is: 131,468.34
Step by Step Solution
- Step 1: Write the proportion equation
122,296.19 : 168,540.21 = 95,396.09 : x - Step 2: Convert to fraction form
122,296.19/168,540.21 = 95,396.09/x - Step 3: Cross multiply
122,296.19x = 168,540.21 × 95,396.09 - Step 4: Simplify right side
122,296.19x = 16,078,076,199.08 - Step 5: Solve for x
x = 16,078,076,199.08/122,296.19 - Step 6: Final answer
x = 131,468.34
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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.