Finding the Fourth Proportional to 132,787.49, 183,240.97 and 75,426.63
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Solution
The fourth proportional to 132,787.49, 183,240.97 and 75,426.63 is: 104,085.47
Step by Step Solution
- Step 1: Write the proportion equation
132,787.49 : 183,240.97 = 75,426.63 : x - Step 2: Convert to fraction form
132,787.49/183,240.97 = 75,426.63/x - Step 3: Cross multiply
132,787.49x = 183,240.97 × 75,426.63 - Step 4: Simplify right side
132,787.49x = 13,821,247,969.31 - Step 5: Solve for x
x = 13,821,247,969.31/132,787.49 - Step 6: Final answer
x = 104,085.47
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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.