Finding the Fourth Proportional to 106,608.18, 147,121.18 and 58,858.68
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Solution
The fourth proportional to 106,608.18, 147,121.18 and 58,858.68 is: 81,226.02
Step by Step Solution
- Step 1: Write the proportion equation
106,608.18 : 147,121.18 = 58,858.68 : x - Step 2: Convert to fraction form
106,608.18/147,121.18 = 58,858.68/x - Step 3: Cross multiply
106,608.18x = 147,121.18 × 58,858.68 - Step 4: Simplify right side
106,608.18x = 8,659,358,454.84 - Step 5: Solve for x
x = 8,659,358,454.84/106,608.18 - Step 6: Final answer
x = 81,226.02
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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.