Finding the Fourth Proportional to 106,251.75, 146,623.97 and 58,503.87
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Solution
The fourth proportional to 106,251.75, 146,623.97 and 58,503.87 is: 80,733.45
Step by Step Solution
- Step 1: Write the proportion equation
106,251.75 : 146,623.97 = 58,503.87 : x - Step 2: Convert to fraction form
106,251.75/146,623.97 = 58,503.87/x - Step 3: Cross multiply
106,251.75x = 146,623.97 × 58,503.87 - Step 4: Simplify right side
106,251.75x = 8,578,069,826.02 - Step 5: Solve for x
x = 8,578,069,826.02/106,251.75 - Step 6: Final answer
x = 80,733.45
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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.