Finding the Fourth Proportional to 132,023.24, 182,144.30 and 86,725.60
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Solution
The fourth proportional to 132,023.24, 182,144.30 and 86,725.60 is: 119,649.95
Step by Step Solution
- Step 1: Write the proportion equation
132,023.24 : 182,144.30 = 86,725.60 : x - Step 2: Convert to fraction form
132,023.24/182,144.30 = 86,725.60/x - Step 3: Cross multiply
132,023.24x = 182,144.30 × 86,725.60 - Step 4: Simplify right side
132,023.24x = 15,796,573,704.08 - Step 5: Solve for x
x = 15,796,573,704.08/132,023.24 - Step 6: Final answer
x = 119,649.95
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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.