Finding the Fourth Proportional to 132,907.53, 183,416.00 and 81,233.01
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Solution
The fourth proportional to 132,907.53, 183,416.00 and 81,233.01 is: 112,103.75
Step by Step Solution
- Step 1: Write the proportion equation
132,907.53 : 183,416.00 = 81,233.01 : x - Step 2: Convert to fraction form
132,907.53/183,416.00 = 81,233.01/x - Step 3: Cross multiply
132,907.53x = 183,416.00 × 81,233.01 - Step 4: Simplify right side
132,907.53x = 14,899,433,356.00 - Step 5: Solve for x
x = 14,899,433,356.00/132,907.53 - Step 6: Final answer
x = 112,103.75
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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.