Finding the Fourth Proportional to 109,544.08, 151,170.68 and 59,243.08
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Solution
The fourth proportional to 109,544.08, 151,170.68 and 59,243.08 is: 81,755.37
Step by Step Solution
- Step 1: Write the proportion equation
109,544.08 : 151,170.68 = 59,243.08 : x - Step 2: Convert to fraction form
109,544.08/151,170.68 = 59,243.08/x - Step 3: Cross multiply
109,544.08x = 151,170.68 × 59,243.08 - Step 4: Simplify right side
109,544.08x = 8,955,816,688.89 - Step 5: Solve for x
x = 8,955,816,688.89/109,544.08 - Step 6: Final answer
x = 81,755.37
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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.