Finding the Fourth Proportional to 192,772.76, 265,994.78 and 121,102.02
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Solution
The fourth proportional to 192,772.76, 265,994.78 and 121,102.02 is: 167,100.92
Step by Step Solution
- Step 1: Write the proportion equation
192,772.76 : 265,994.78 = 121,102.02 : x - Step 2: Convert to fraction form
192,772.76/265,994.78 = 121,102.02/x - Step 3: Cross multiply
192,772.76x = 265,994.78 × 121,102.02 - Step 4: Simplify right side
192,772.76x = 32,212,504,561.95 - Step 5: Solve for x
x = 32,212,504,561.95/192,772.76 - Step 6: Final answer
x = 167,100.92
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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.