Finding the Fourth Proportional to 126,938.81, 175,175.66 and 70,350.19
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Solution
The fourth proportional to 126,938.81, 175,175.66 and 70,350.19 is: 97,083.31
Step by Step Solution
- Step 1: Write the proportion equation
126,938.81 : 175,175.66 = 70,350.19 : x - Step 2: Convert to fraction form
126,938.81/175,175.66 = 70,350.19/x - Step 3: Cross multiply
126,938.81x = 175,175.66 × 70,350.19 - Step 4: Simplify right side
126,938.81x = 12,323,639,736.75 - Step 5: Solve for x
x = 12,323,639,736.75/126,938.81 - Step 6: Final answer
x = 97,083.31
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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.