Finding the Fourth Proportional to 132,125.62, 182,257.10 and 84,325.09
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Solution
The fourth proportional to 132,125.62, 182,257.10 and 84,325.09 is: 116,319.95
Step by Step Solution
- Step 1: Write the proportion equation
132,125.62 : 182,257.10 = 84,325.09 : x - Step 2: Convert to fraction form
132,125.62/182,257.10 = 84,325.09/x - Step 3: Cross multiply
132,125.62x = 182,257.10 × 84,325.09 - Step 4: Simplify right side
132,125.62x = 15,368,845,799.59 - Step 5: Solve for x
x = 15,368,845,799.59/132,125.62 - Step 6: Final answer
x = 116,319.95
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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.