Finding the Fourth Proportional to 112,461.44, 168,608.82 and 68,077.70
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Solution
The fourth proportional to 112,461.44, 168,608.82 and 68,077.70 is: 102,066.09
Step by Step Solution
- Step 1: Write the proportion equation
112,461.44 : 168,608.82 = 68,077.70 : x - Step 2: Convert to fraction form
112,461.44/168,608.82 = 68,077.70/x - Step 3: Cross multiply
112,461.44x = 168,608.82 × 68,077.70 - Step 4: Simplify right side
112,461.44x = 11,478,499,822.27 - Step 5: Solve for x
x = 11,478,499,822.27/112,461.44 - Step 6: Final answer
x = 102,066.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.