Finding the Fourth Proportional to 141,573.68, 195,409.98 and 83,481.08
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Solution
The fourth proportional to 141,573.68, 195,409.98 and 83,481.08 is: 115,226.48
Step by Step Solution
- Step 1: Write the proportion equation
141,573.68 : 195,409.98 = 83,481.08 : x - Step 2: Convert to fraction form
141,573.68/195,409.98 = 83,481.08/x - Step 3: Cross multiply
141,573.68x = 195,409.98 × 83,481.08 - Step 4: Simplify right side
141,573.68x = 16,313,036,173.18 - Step 5: Solve for x
x = 16,313,036,173.18/141,573.68 - Step 6: Final answer
x = 115,226.48
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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.