Finding the Fourth Proportional to 126,330.10, 174,334.44 and 69,740.26
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Solution
The fourth proportional to 126,330.10, 174,334.44 and 69,740.26 is: 96,240.95
Step by Step Solution
- Step 1: Write the proportion equation
126,330.10 : 174,334.44 = 69,740.26 : x - Step 2: Convert to fraction form
126,330.10/174,334.44 = 69,740.26/x - Step 3: Cross multiply
126,330.10x = 174,334.44 × 69,740.26 - Step 4: Simplify right side
126,330.10x = 12,158,129,172.55 - Step 5: Solve for x
x = 12,158,129,172.55/126,330.10 - Step 6: Final answer
x = 96,240.95
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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.