Finding the Fourth Proportional to 173,734.92, 239,712.84 and 105,751.08
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Solution
The fourth proportional to 173,734.92, 239,712.84 and 105,751.08 is: 145,911.32
Step by Step Solution
- Step 1: Write the proportion equation
173,734.92 : 239,712.84 = 105,751.08 : x - Step 2: Convert to fraction form
173,734.92/239,712.84 = 105,751.08/x - Step 3: Cross multiply
173,734.92x = 239,712.84 × 105,751.08 - Step 4: Simplify right side
173,734.92x = 25,349,891,719.87 - Step 5: Solve for x
x = 25,349,891,719.87/173,734.92 - Step 6: Final answer
x = 145,911.32
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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.