Finding the Fourth Proportional to 118,198.82, 163,093.95 and 66,508.71
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Solution
The fourth proportional to 118,198.82, 163,093.95 and 66,508.71 is: 91,770.53
Step by Step Solution
- Step 1: Write the proportion equation
118,198.82 : 163,093.95 = 66,508.71 : x - Step 2: Convert to fraction form
118,198.82/163,093.95 = 66,508.71/x - Step 3: Cross multiply
118,198.82x = 163,093.95 × 66,508.71 - Step 4: Simplify right side
118,198.82x = 10,847,168,223.30 - Step 5: Solve for x
x = 10,847,168,223.30/118,198.82 - Step 6: Final answer
x = 91,770.53
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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.