Finding the Fourth Proportional to 146,881.26, 202,697.35 and 79,813.26
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Solution
The fourth proportional to 146,881.26, 202,697.35 and 79,813.26 is: 110,142.96
Step by Step Solution
- Step 1: Write the proportion equation
146,881.26 : 202,697.35 = 79,813.26 : x - Step 2: Convert to fraction form
146,881.26/202,697.35 = 79,813.26/x - Step 3: Cross multiply
146,881.26x = 202,697.35 × 79,813.26 - Step 4: Simplify right side
146,881.26x = 16,177,936,296.86 - Step 5: Solve for x
x = 16,177,936,296.86/146,881.26 - Step 6: Final answer
x = 110,142.96
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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.