Finding the Fourth Proportional to 132,172.24, 182,394.12 and 71,740.12
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Solution
The fourth proportional to 132,172.24, 182,394.12 and 71,740.12 is: 98,999.43
Step by Step Solution
- Step 1: Write the proportion equation
132,172.24 : 182,394.12 = 71,740.12 : x - Step 2: Convert to fraction form
132,172.24/182,394.12 = 71,740.12/x - Step 3: Cross multiply
132,172.24x = 182,394.12 × 71,740.12 - Step 4: Simplify right side
132,172.24x = 13,084,976,056.09 - Step 5: Solve for x
x = 13,084,976,056.09/132,172.24 - Step 6: Final answer
x = 98,999.43
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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.