Finding the Fourth Proportional to 134,775.88, 186,236.74 and 115,391.20
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Solution
The fourth proportional to 134,775.88, 186,236.74 and 115,391.20 is: 159,450.50
Step by Step Solution
- Step 1: Write the proportion equation
134,775.88 : 186,236.74 = 115,391.20 : x - Step 2: Convert to fraction form
134,775.88/186,236.74 = 115,391.20/x - Step 3: Cross multiply
134,775.88x = 186,236.74 × 115,391.20 - Step 4: Simplify right side
134,775.88x = 21,490,081,496.16 - Step 5: Solve for x
x = 21,490,081,496.16/134,775.88 - Step 6: Final answer
x = 159,450.50
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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.