Finding the Fourth Proportional to 168,467.26, 232,483.06 and 91,986.12
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Solution
The fourth proportional to 168,467.26, 232,483.06 and 91,986.12 is: 126,939.89
Step by Step Solution
- Step 1: Write the proportion equation
168,467.26 : 232,483.06 = 91,986.12 : x - Step 2: Convert to fraction form
168,467.26/232,483.06 = 91,986.12/x - Step 3: Cross multiply
168,467.26x = 232,483.06 × 91,986.12 - Step 4: Simplify right side
168,467.26x = 21,385,214,655.13 - Step 5: Solve for x
x = 21,385,214,655.13/168,467.26 - Step 6: Final answer
x = 126,939.89
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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.