Finding the Fourth Proportional to 168,638.66, 232,724.69 and 92,162.49
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Solution
The fourth proportional to 168,638.66, 232,724.69 and 92,162.49 is: 127,186.06
Step by Step Solution
- Step 1: Write the proportion equation
168,638.66 : 232,724.69 = 92,162.49 : x - Step 2: Convert to fraction form
168,638.66/232,724.69 = 92,162.49/x - Step 3: Cross multiply
168,638.66x = 232,724.69 × 92,162.49 - Step 4: Simplify right side
168,638.66x = 21,448,486,454.07 - Step 5: Solve for x
x = 21,448,486,454.07/168,638.66 - Step 6: Final answer
x = 127,186.06
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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.