Finding the Fourth Proportional to 132,125.58, 182,365.70 and 81,150.53
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Solution
The fourth proportional to 132,125.58, 182,365.70 and 81,150.53 is: 112,007.62
Step by Step Solution
- Step 1: Write the proportion equation
132,125.58 : 182,365.70 = 81,150.53 : x - Step 2: Convert to fraction form
132,125.58/182,365.70 = 81,150.53/x - Step 3: Cross multiply
132,125.58x = 182,365.70 × 81,150.53 - Step 4: Simplify right side
132,125.58x = 14,799,071,891.24 - Step 5: Solve for x
x = 14,799,071,891.24/132,125.58 - Step 6: Final answer
x = 112,007.62
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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.