Finding the Fourth Proportional to 167,425.20, 231,107.42 and 110,854.80
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Solution
The fourth proportional to 167,425.20, 231,107.42 and 110,854.80 is: 153,019.78
Step by Step Solution
- Step 1: Write the proportion equation
167,425.20 : 231,107.42 = 110,854.80 : x - Step 2: Convert to fraction form
167,425.20/231,107.42 = 110,854.80/x - Step 3: Cross multiply
167,425.20x = 231,107.42 × 110,854.80 - Step 4: Simplify right side
167,425.20x = 25,619,366,822.62 - Step 5: Solve for x
x = 25,619,366,822.62/167,425.20 - Step 6: Final answer
x = 153,019.78
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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.