Finding the Fourth Proportional to 132,984.29, 183,517.87 and 72,554.95
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Solution
The fourth proportional to 132,984.29, 183,517.87 and 72,554.95 is: 100,125.58
Step by Step Solution
- Step 1: Write the proportion equation
132,984.29 : 183,517.87 = 72,554.95 : x - Step 2: Convert to fraction form
132,984.29/183,517.87 = 72,554.95/x - Step 3: Cross multiply
132,984.29x = 183,517.87 × 72,554.95 - Step 4: Simplify right side
132,984.29x = 13,315,128,601.59 - Step 5: Solve for x
x = 13,315,128,601.59/132,984.29 - Step 6: Final answer
x = 100,125.58
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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.