Finding the Fourth Proportional to 122,682.53, 169,302.62 and 68,967.09
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Solution
The fourth proportional to 122,682.53, 169,302.62 and 68,967.09 is: 95,174.99
Step by Step Solution
- Step 1: Write the proportion equation
122,682.53 : 169,302.62 = 68,967.09 : x - Step 2: Convert to fraction form
122,682.53/169,302.62 = 68,967.09/x - Step 3: Cross multiply
122,682.53x = 169,302.62 × 68,967.09 - Step 4: Simplify right side
122,682.53x = 11,676,309,203.19 - Step 5: Solve for x
x = 11,676,309,203.19/122,682.53 - Step 6: Final answer
x = 95,174.99
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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.