Finding the Fourth Proportional to 117,503.70, 162,137.94 and 67,192.98
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Solution
The fourth proportional to 117,503.70, 162,137.94 and 67,192.98 is: 92,716.50
Step by Step Solution
- Step 1: Write the proportion equation
117,503.70 : 162,137.94 = 67,192.98 : x - Step 2: Convert to fraction form
117,503.70/162,137.94 = 67,192.98/x - Step 3: Cross multiply
117,503.70x = 162,137.94 × 67,192.98 - Step 4: Simplify right side
117,503.70x = 10,894,531,359.66 - Step 5: Solve for x
x = 10,894,531,359.66/117,503.70 - Step 6: Final answer
x = 92,716.50
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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.