Finding the Fourth Proportional to 167,761.80, 251,642.70 and 56,953.80
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Solution
The fourth proportional to 167,761.80, 251,642.70 and 56,953.80 is: 85,430.70
Step by Step Solution
- Step 1: Write the proportion equation
167,761.80 : 251,642.70 = 56,953.80 : x - Step 2: Convert to fraction form
167,761.80/251,642.70 = 56,953.80/x - Step 3: Cross multiply
167,761.80x = 251,642.70 × 56,953.80 - Step 4: Simplify right side
167,761.80x = 14,332,008,007.26 - Step 5: Solve for x
x = 14,332,008,007.26/167,761.80 - Step 6: Final answer
x = 85,430.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.