Finding the Fourth Proportional to 132,331.67, 182,615.08 and 71,902.75
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Solution
The fourth proportional to 132,331.67, 182,615.08 and 71,902.75 is: 99,224.37
Step by Step Solution
- Step 1: Write the proportion equation
132,331.67 : 182,615.08 = 71,902.75 : x - Step 2: Convert to fraction form
132,331.67/182,615.08 = 71,902.75/x - Step 3: Cross multiply
132,331.67x = 182,615.08 × 71,902.75 - Step 4: Simplify right side
132,331.67x = 13,130,526,443.47 - Step 5: Solve for x
x = 13,130,526,443.47/132,331.67 - Step 6: Final answer
x = 99,224.37
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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.