Finding the Fourth Proportional to 132,554.96, 182,920.34 and 72,125.84
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Solution
The fourth proportional to 132,554.96, 182,920.34 and 72,125.84 is: 99,530.66
Step by Step Solution
- Step 1: Write the proportion equation
132,554.96 : 182,920.34 = 72,125.84 : x - Step 2: Convert to fraction form
132,554.96/182,920.34 = 72,125.84/x - Step 3: Cross multiply
132,554.96x = 182,920.34 × 72,125.84 - Step 4: Simplify right side
132,554.96x = 13,193,283,175.59 - Step 5: Solve for x
x = 13,193,283,175.59/132,554.96 - Step 6: Final answer
x = 99,530.66
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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.