Finding the Fourth Proportional to 146,162.92, 201,721.84 and 121,590.32
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Solution
The fourth proportional to 146,162.92, 201,721.84 and 121,590.32 is: 167,808.79
Step by Step Solution
- Step 1: Write the proportion equation
146,162.92 : 201,721.84 = 121,590.32 : x - Step 2: Convert to fraction form
146,162.92/201,721.84 = 121,590.32/x - Step 3: Cross multiply
146,162.92x = 201,721.84 × 121,590.32 - Step 4: Simplify right side
146,162.92x = 24,527,423,076.59 - Step 5: Solve for x
x = 24,527,423,076.59/146,162.92 - Step 6: Final answer
x = 167,808.79
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1.5x scale
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.