Finding the Fourth Proportional to 132,170.74, 182,394.99 and 71,740.89
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Solution
The fourth proportional to 132,170.74, 182,394.99 and 71,740.89 is: 99,002.09
Step by Step Solution
- Step 1: Write the proportion equation
132,170.74 : 182,394.99 = 71,740.89 : x - Step 2: Convert to fraction form
132,170.74/182,394.99 = 71,740.89/x - Step 3: Cross multiply
132,170.74x = 182,394.99 × 71,740.89 - Step 4: Simplify right side
132,170.74x = 13,085,178,914.14 - Step 5: Solve for x
x = 13,085,178,914.14/132,170.74 - Step 6: Final answer
x = 99,002.09
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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.