Finding the Fourth Proportional to 167,639.96, 231,341.87 and 91,159.08
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Solution
The fourth proportional to 167,639.96, 231,341.87 and 91,159.08 is: 125,798.84
Step by Step Solution
- Step 1: Write the proportion equation
167,639.96 : 231,341.87 = 91,159.08 : x - Step 2: Convert to fraction form
167,639.96/231,341.87 = 91,159.08/x - Step 3: Cross multiply
167,639.96x = 231,341.87 × 91,159.08 - Step 4: Simplify right side
167,639.96x = 21,088,911,578.88 - Step 5: Solve for x
x = 21,088,911,578.88/167,639.96 - Step 6: Final answer
x = 125,798.84
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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.