Finding the Fourth Proportional to 132,922.21, 183,328.99 and 85,180.00
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Solution
The fourth proportional to 132,922.21, 183,328.99 and 85,180.00 is: 117,481.97
Step by Step Solution
- Step 1: Write the proportion equation
132,922.21 : 183,328.99 = 85,180.00 : x - Step 2: Convert to fraction form
132,922.21/183,328.99 = 85,180.00/x - Step 3: Cross multiply
132,922.21x = 183,328.99 × 85,180.00 - Step 4: Simplify right side
132,922.21x = 15,615,962,696.93 - Step 5: Solve for x
x = 15,615,962,696.93/132,922.21 - Step 6: Final answer
x = 117,481.97
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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.