Finding the Fourth Proportional to 126,954.86, 175,191.20 and 73,236.68
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Solution
The fourth proportional to 126,954.86, 175,191.20 and 73,236.68 is: 101,062.86
Step by Step Solution
- Step 1: Write the proportion equation
126,954.86 : 175,191.20 = 73,236.68 : x - Step 2: Convert to fraction form
126,954.86/175,191.20 = 73,236.68/x - Step 3: Cross multiply
126,954.86x = 175,191.20 × 73,236.68 - Step 4: Simplify right side
126,954.86x = 12,830,420,611.08 - Step 5: Solve for x
x = 12,830,420,611.08/126,954.86 - Step 6: Final answer
x = 101,062.86
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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.