Finding the Fourth Proportional to 132,842.09, 199,124.74 and 57,942.13
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Solution
The fourth proportional to 132,842.09, 199,124.74 and 57,942.13 is: 86,852.82
Step by Step Solution
- Step 1: Write the proportion equation
132,842.09 : 199,124.74 = 57,942.13 : x - Step 2: Convert to fraction form
132,842.09/199,124.74 = 57,942.13/x - Step 3: Cross multiply
132,842.09x = 199,124.74 × 57,942.13 - Step 4: Simplify right side
132,842.09x = 11,537,710,928.63 - Step 5: Solve for x
x = 11,537,710,928.63/132,842.09 - Step 6: Final answer
x = 86,852.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.