Finding the Fourth Proportional to 132,702.07, 183,126.11 and 72,273.77
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Solution
The fourth proportional to 132,702.07, 183,126.11 and 72,273.77 is: 99,736.31
Step by Step Solution
- Step 1: Write the proportion equation
132,702.07 : 183,126.11 = 72,273.77 : x - Step 2: Convert to fraction form
132,702.07/183,126.11 = 72,273.77/x - Step 3: Cross multiply
132,702.07x = 183,126.11 × 72,273.77 - Step 4: Simplify right side
132,702.07x = 13,235,214,355.13 - Step 5: Solve for x
x = 13,235,214,355.13/132,702.07 - Step 6: Final answer
x = 99,736.31
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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.