Finding the Fourth Proportional to 126,520.26, 174,597.96 and 69,159.80
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Solution
The fourth proportional to 126,520.26, 174,597.96 and 69,159.80 is: 95,440.52
Step by Step Solution
- Step 1: Write the proportion equation
126,520.26 : 174,597.96 = 69,159.80 : x - Step 2: Convert to fraction form
126,520.26/174,597.96 = 69,159.80/x - Step 3: Cross multiply
126,520.26x = 174,597.96 × 69,159.80 - Step 4: Simplify right side
126,520.26x = 12,075,159,121.02 - Step 5: Solve for x
x = 12,075,159,121.02/126,520.26 - Step 6: Final answer
x = 95,440.52
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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.