Finding the Fourth Proportional to 132,857.61, 183,346.79 and 75,495.57
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Solution
The fourth proportional to 132,857.61, 183,346.79 and 75,495.57 is: 104,185.75
Step by Step Solution
- Step 1: Write the proportion equation
132,857.61 : 183,346.79 = 75,495.57 : x - Step 2: Convert to fraction form
132,857.61/183,346.79 = 75,495.57/x - Step 3: Cross multiply
132,857.61x = 183,346.79 × 75,495.57 - Step 4: Simplify right side
132,857.61x = 13,841,870,041.24 - Step 5: Solve for x
x = 13,841,870,041.24/132,857.61 - Step 6: Final answer
x = 104,185.75
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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.