Finding the Fourth Proportional to 106,874.96, 148,161.92 and 101,186.92
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Solution
The fourth proportional to 106,874.96, 148,161.92 and 101,186.92 is: 140,276.53
Step by Step Solution
- Step 1: Write the proportion equation
106,874.96 : 148,161.92 = 101,186.92 : x - Step 2: Convert to fraction form
106,874.96/148,161.92 = 101,186.92/x - Step 3: Cross multiply
106,874.96x = 148,161.92 × 101,186.92 - Step 4: Simplify right side
106,874.96x = 14,992,048,346.09 - Step 5: Solve for x
x = 14,992,048,346.09/106,874.96 - Step 6: Final answer
x = 140,276.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.