Finding the Fourth Proportional to 168,654.76, 232,743.94 and 92,175.08
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Solution
The fourth proportional to 168,654.76, 232,743.94 and 92,175.08 is: 127,201.81
Step by Step Solution
- Step 1: Write the proportion equation
168,654.76 : 232,743.94 = 92,175.08 : x - Step 2: Convert to fraction form
168,654.76/232,743.94 = 92,175.08/x - Step 3: Cross multiply
168,654.76x = 232,743.94 × 92,175.08 - Step 4: Simplify right side
168,654.76x = 21,453,191,289.02 - Step 5: Solve for x
x = 21,453,191,289.02/168,654.76 - Step 6: Final answer
x = 127,201.81
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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.