Finding the Fourth Proportional to 168,231.58, 232,159.80 and 91,750.84
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Solution
The fourth proportional to 168,231.58, 232,159.80 and 91,750.84 is: 126,616.28
Step by Step Solution
- Step 1: Write the proportion equation
168,231.58 : 232,159.80 = 91,750.84 : x - Step 2: Convert to fraction form
168,231.58/232,159.80 = 91,750.84/x - Step 3: Cross multiply
168,231.58x = 232,159.80 × 91,750.84 - Step 4: Simplify right side
168,231.58x = 21,300,856,664.23 - Step 5: Solve for x
x = 21,300,856,664.23/168,231.58 - Step 6: Final answer
x = 126,616.28
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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.