Finding the Fourth Proportional to 135,093.98, 186,452.36 and 91,466.74
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Solution
The fourth proportional to 135,093.98, 186,452.36 and 91,466.74 is: 126,239.45
Step by Step Solution
- Step 1: Write the proportion equation
135,093.98 : 186,452.36 = 91,466.74 : x - Step 2: Convert to fraction form
135,093.98/186,452.36 = 91,466.74/x - Step 3: Cross multiply
135,093.98x = 186,452.36 × 91,466.74 - Step 4: Simplify right side
135,093.98x = 17,054,189,118.94 - Step 5: Solve for x
x = 17,054,189,118.94/135,093.98 - Step 6: Final answer
x = 126,239.45
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1.5x scale
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.