Finding the Fourth Proportional to 108,236.07, 149,269.11 and 67,953.63
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Solution
The fourth proportional to 108,236.07, 149,269.11 and 67,953.63 is: 93,715.32
Step by Step Solution
- Step 1: Write the proportion equation
108,236.07 : 149,269.11 = 67,953.63 : x - Step 2: Convert to fraction form
108,236.07/149,269.11 = 67,953.63/x - Step 3: Cross multiply
108,236.07x = 149,269.11 × 67,953.63 - Step 4: Simplify right side
108,236.07x = 10,143,377,871.37 - Step 5: Solve for x
x = 10,143,377,871.37/108,236.07 - Step 6: Final answer
x = 93,715.32
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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.