Finding the Fourth Proportional to 168,617.12, 232,684.68 and 92,138.84
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Solution
The fourth proportional to 168,617.12, 232,684.68 and 92,138.84 is: 127,147.80
Step by Step Solution
- Step 1: Write the proportion equation
168,617.12 : 232,684.68 = 92,138.84 : x - Step 2: Convert to fraction form
168,617.12/232,684.68 = 92,138.84/x - Step 3: Cross multiply
168,617.12x = 232,684.68 × 92,138.84 - Step 4: Simplify right side
168,617.12x = 21,439,296,500.97 - Step 5: Solve for x
x = 21,439,296,500.97/168,617.12 - Step 6: Final answer
x = 127,147.80
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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.