Finding the Fourth Proportional to 167,842.68, 231,627.68 and 91,366.71
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Solution
The fourth proportional to 167,842.68, 231,627.68 and 91,366.71 is: 126,088.66
Step by Step Solution
- Step 1: Write the proportion equation
167,842.68 : 231,627.68 = 91,366.71 : x - Step 2: Convert to fraction form
167,842.68/231,627.68 = 91,366.71/x - Step 3: Cross multiply
167,842.68x = 231,627.68 × 91,366.71 - Step 4: Simplify right side
167,842.68x = 21,163,058,478.20 - Step 5: Solve for x
x = 21,163,058,478.20/167,842.68 - Step 6: Final answer
x = 126,088.66
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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.