Finding the Fourth Proportional to 132,992.99, 183,557.64 and 81,318.92
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Solution
The fourth proportional to 132,992.99, 183,557.64 and 81,318.92 is: 112,236.82
Step by Step Solution
- Step 1: Write the proportion equation
132,992.99 : 183,557.64 = 81,318.92 : x - Step 2: Convert to fraction form
132,992.99/183,557.64 = 81,318.92/x - Step 3: Cross multiply
132,992.99x = 183,557.64 × 81,318.92 - Step 4: Simplify right side
132,992.99x = 14,926,709,704.74 - Step 5: Solve for x
x = 14,926,709,704.74/132,992.99 - Step 6: Final answer
x = 112,236.82
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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.