Finding the Fourth Proportional to 134,216.11, 201,357.11 and 66,779.97
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Solution
The fourth proportional to 134,216.11, 201,357.11 and 66,779.97 is: 100,186.35
Step by Step Solution
- Step 1: Write the proportion equation
134,216.11 : 201,357.11 = 66,779.97 : x - Step 2: Convert to fraction form
134,216.11/201,357.11 = 66,779.97/x - Step 3: Cross multiply
134,216.11x = 201,357.11 × 66,779.97 - Step 4: Simplify right side
134,216.11x = 13,446,621,765.09 - Step 5: Solve for x
x = 13,446,621,765.09/134,216.11 - Step 6: Final answer
x = 100,186.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.