Finding the Fourth Proportional to 106,932.00, 147,599.01 and 61,640.26
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Solution
The fourth proportional to 106,932.00, 147,599.01 and 61,640.26 is: 85,082.49
Step by Step Solution
- Step 1: Write the proportion equation
106,932.00 : 147,599.01 = 61,640.26 : x - Step 2: Convert to fraction form
106,932.00/147,599.01 = 61,640.26/x - Step 3: Cross multiply
106,932.00x = 147,599.01 × 61,640.26 - Step 4: Simplify right side
106,932.00x = 9,098,040,983.15 - Step 5: Solve for x
x = 9,098,040,983.15/106,932.00 - Step 6: Final answer
x = 85,082.49
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1.5x scale
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.