Finding the Fourth Proportional to 106,528.37, 147,009.84 and 58,133.70
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Solution
The fourth proportional to 106,528.37, 147,009.84 and 58,133.70 is: 80,224.88
Step by Step Solution
- Step 1: Write the proportion equation
106,528.37 : 147,009.84 = 58,133.70 : x - Step 2: Convert to fraction form
106,528.37/147,009.84 = 58,133.70/x - Step 3: Cross multiply
106,528.37x = 147,009.84 × 58,133.70 - Step 4: Simplify right side
106,528.37x = 8,546,225,717.61 - Step 5: Solve for x
x = 8,546,225,717.61/106,528.37 - Step 6: Final answer
x = 80,224.88
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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.