Finding the Fourth Proportional to 126,531.24, 174,613.10 and 69,170.80
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Solution
The fourth proportional to 126,531.24, 174,613.10 and 69,170.80 is: 95,455.70
Step by Step Solution
- Step 1: Write the proportion equation
126,531.24 : 174,613.10 = 69,170.80 : x - Step 2: Convert to fraction form
126,531.24/174,613.10 = 69,170.80/x - Step 3: Cross multiply
126,531.24x = 174,613.10 × 69,170.80 - Step 4: Simplify right side
126,531.24x = 12,078,127,817.48 - Step 5: Solve for x
x = 12,078,127,817.48/126,531.24 - Step 6: Final answer
x = 95,455.70
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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.