Finding the Fourth Proportional to 163,714.08, 225,923.81 and 91,115.76
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Solution
The fourth proportional to 163,714.08, 225,923.81 and 91,115.76 is: 125,738.84
Step by Step Solution
- Step 1: Write the proportion equation
163,714.08 : 225,923.81 = 91,115.76 : x - Step 2: Convert to fraction form
163,714.08/225,923.81 = 91,115.76/x - Step 3: Cross multiply
163,714.08x = 225,923.81 × 91,115.76 - Step 4: Simplify right side
163,714.08x = 20,585,219,194.67 - Step 5: Solve for x
x = 20,585,219,194.67/163,714.08 - Step 6: Final answer
x = 125,738.84
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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.