Finding the Fourth Proportional to 136,661.04, 204,850.08 and 66,453.12
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Solution
The fourth proportional to 136,661.04, 204,850.08 and 66,453.12 is: 99,610.88
Step by Step Solution
- Step 1: Write the proportion equation
136,661.04 : 204,850.08 = 66,453.12 : x - Step 2: Convert to fraction form
136,661.04/204,850.08 = 66,453.12/x - Step 3: Cross multiply
136,661.04x = 204,850.08 × 66,453.12 - Step 4: Simplify right side
136,661.04x = 13,612,926,948.25 - Step 5: Solve for x
x = 13,612,926,948.25/136,661.04 - Step 6: Final answer
x = 99,610.88
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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.