Finding the Fourth Proportional to 126,789.88, 174,975.50 and 70,201.26
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Solution
The fourth proportional to 126,789.88, 174,975.50 and 70,201.26 is: 96,880.77
Step by Step Solution
- Step 1: Write the proportion equation
126,789.88 : 174,975.50 = 70,201.26 : x - Step 2: Convert to fraction form
126,789.88/174,975.50 = 70,201.26/x - Step 3: Cross multiply
126,789.88x = 174,975.50 × 70,201.26 - Step 4: Simplify right side
126,789.88x = 12,283,500,569.13 - Step 5: Solve for x
x = 12,283,500,569.13/126,789.88 - Step 6: Final answer
x = 96,880.77
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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.