Finding the Fourth Proportional to 116,467.08, 160,724.70 and 66,175.80
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Solution
The fourth proportional to 116,467.08, 160,724.70 and 66,175.80 is: 91,322.68
Step by Step Solution
- Step 1: Write the proportion equation
116,467.08 : 160,724.70 = 66,175.80 : x - Step 2: Convert to fraction form
116,467.08/160,724.70 = 66,175.80/x - Step 3: Cross multiply
116,467.08x = 160,724.70 × 66,175.80 - Step 4: Simplify right side
116,467.08x = 10,636,085,602.26 - Step 5: Solve for x
x = 10,636,085,602.26/116,467.08 - Step 6: Final answer
x = 91,322.68
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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.