Finding the Fourth Proportional to 106,541.70, 159,832.02 and 82,708.26
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Solution
The fourth proportional to 106,541.70, 159,832.02 and 82,708.26 is: 124,077.50
Step by Step Solution
- Step 1: Write the proportion equation
106,541.70 : 159,832.02 = 82,708.26 : x - Step 2: Convert to fraction form
106,541.70/159,832.02 = 82,708.26/x - Step 3: Cross multiply
106,541.70x = 159,832.02 × 82,708.26 - Step 4: Simplify right side
106,541.70x = 13,219,428,266.49 - Step 5: Solve for x
x = 13,219,428,266.49/106,541.70 - Step 6: Final answer
x = 124,077.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.