Finding the Fourth Proportional to 136,652.91, 205,042.68 and 52,384.92
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Solution
The fourth proportional to 136,652.91, 205,042.68 and 52,384.92 is: 78,601.65
Step by Step Solution
- Step 1: Write the proportion equation
136,652.91 : 205,042.68 = 52,384.92 : x - Step 2: Convert to fraction form
136,652.91/205,042.68 = 52,384.92/x - Step 3: Cross multiply
136,652.91x = 205,042.68 × 52,384.92 - Step 4: Simplify right side
136,652.91x = 10,741,144,388.39 - Step 5: Solve for x
x = 10,741,144,388.39/136,652.91 - Step 6: Final answer
x = 78,601.65
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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.