Finding the Fourth Proportional to 168,229.58, 232,157.04 and 91,748.84
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Solution
The fourth proportional to 168,229.58, 232,157.04 and 91,748.84 is: 126,613.52
Step by Step Solution
- Step 1: Write the proportion equation
168,229.58 : 232,157.04 = 91,748.84 : x - Step 2: Convert to fraction form
168,229.58/232,157.04 = 91,748.84/x - Step 3: Cross multiply
168,229.58x = 232,157.04 × 91,748.84 - Step 4: Simplify right side
168,229.58x = 21,300,139,117.83 - Step 5: Solve for x
x = 21,300,139,117.83/168,229.58 - Step 6: Final answer
x = 126,613.52
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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.