Finding the Fourth Proportional to 126,537.68, 174,615.18 and 69,945.68
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Solution
The fourth proportional to 126,537.68, 174,615.18 and 69,945.68 is: 96,521.27
Step by Step Solution
- Step 1: Write the proportion equation
126,537.68 : 174,615.18 = 69,945.68 : x - Step 2: Convert to fraction form
126,537.68/174,615.18 = 69,945.68/x - Step 3: Cross multiply
126,537.68x = 174,615.18 × 69,945.68 - Step 4: Simplify right side
126,537.68x = 12,213,577,503.42 - Step 5: Solve for x
x = 12,213,577,503.42/126,537.68 - Step 6: Final answer
x = 96,521.27
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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.