Finding the Fourth Proportional to 134,770.01, 186,042.39 and 87,046.63
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Solution
The fourth proportional to 134,770.01, 186,042.39 and 87,046.63 is: 120,162.95
Step by Step Solution
- Step 1: Write the proportion equation
134,770.01 : 186,042.39 = 87,046.63 : x - Step 2: Convert to fraction form
134,770.01/186,042.39 = 87,046.63/x - Step 3: Cross multiply
134,770.01x = 186,042.39 × 87,046.63 - Step 4: Simplify right side
134,770.01x = 16,194,361,721.20 - Step 5: Solve for x
x = 16,194,361,721.20/134,770.01 - Step 6: Final answer
x = 120,162.95
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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.