Finding the Fourth Proportional to 126,361.08, 174,452.94 and 84,007.80
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Solution
The fourth proportional to 126,361.08, 174,452.94 and 84,007.80 is: 115,980.39
Step by Step Solution
- Step 1: Write the proportion equation
126,361.08 : 174,452.94 = 84,007.80 : x - Step 2: Convert to fraction form
126,361.08/174,452.94 = 84,007.80/x - Step 3: Cross multiply
126,361.08x = 174,452.94 × 84,007.80 - Step 4: Simplify right side
126,361.08x = 14,655,407,692.93 - Step 5: Solve for x
x = 14,655,407,692.93/126,361.08 - Step 6: Final answer
x = 115,980.39
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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.