Finding the Fourth Proportional to 127,435.68, 175,841.28 and 73,716.48
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Solution
The fourth proportional to 127,435.68, 175,841.28 and 73,716.48 is: 101,717.20
Step by Step Solution
- Step 1: Write the proportion equation
127,435.68 : 175,841.28 = 73,716.48 : x - Step 2: Convert to fraction form
127,435.68/175,841.28 = 73,716.48/x - Step 3: Cross multiply
127,435.68x = 175,841.28 × 73,716.48 - Step 4: Simplify right side
127,435.68x = 12,962,400,200.29 - Step 5: Solve for x
x = 12,962,400,200.29/127,435.68 - Step 6: Final answer
x = 101,717.20
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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.