Finding the Fourth Proportional to 106,640.88, 147,163.92 and 58,894.02
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Solution
The fourth proportional to 106,640.88, 147,163.92 and 58,894.02 is: 81,273.47
Step by Step Solution
- Step 1: Write the proportion equation
106,640.88 : 147,163.92 = 58,894.02 : x - Step 2: Convert to fraction form
106,640.88/147,163.92 = 58,894.02/x - Step 3: Cross multiply
106,640.88x = 147,163.92 × 58,894.02 - Step 4: Simplify right side
106,640.88x = 8,667,074,847.76 - Step 5: Solve for x
x = 8,667,074,847.76/106,640.88 - Step 6: Final answer
x = 81,273.47
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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.