Finding the Fourth Proportional to 118,543.26, 177,617.46 and 83,409.12
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Solution
The fourth proportional to 118,543.26, 177,617.46 and 83,409.12 is: 124,974.76
Step by Step Solution
- Step 1: Write the proportion equation
118,543.26 : 177,617.46 = 83,409.12 : x - Step 2: Convert to fraction form
118,543.26/177,617.46 = 83,409.12/x - Step 3: Cross multiply
118,543.26x = 177,617.46 × 83,409.12 - Step 4: Simplify right side
118,543.26x = 14,814,916,035.24 - Step 5: Solve for x
x = 14,814,916,035.24/118,543.26 - Step 6: Final answer
x = 124,974.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.