Finding the Fourth Proportional to 126,536.68, 174,613.80 and 69,944.68
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Solution
The fourth proportional to 126,536.68, 174,613.80 and 69,944.68 is: 96,519.89
Step by Step Solution
- Step 1: Write the proportion equation
126,536.68 : 174,613.80 = 69,944.68 : x - Step 2: Convert to fraction form
126,536.68/174,613.80 = 69,944.68/x - Step 3: Cross multiply
126,536.68x = 174,613.80 × 69,944.68 - Step 4: Simplify right side
126,536.68x = 12,213,306,364.58 - Step 5: Solve for x
x = 12,213,306,364.58/126,536.68 - Step 6: Final answer
x = 96,519.89
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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.