Finding the Fourth Proportional to 168,243.98, 251,850.67 and 108,961.70
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Solution
The fourth proportional to 168,243.98, 251,850.67 and 108,961.70 is: 163,108.82
Step by Step Solution
- Step 1: Write the proportion equation
168,243.98 : 251,850.67 = 108,961.70 : x - Step 2: Convert to fraction form
168,243.98/251,850.67 = 108,961.70/x - Step 3: Cross multiply
168,243.98x = 251,850.67 × 108,961.70 - Step 4: Simplify right side
168,243.98x = 27,442,077,149.34 - Step 5: Solve for x
x = 27,442,077,149.34/168,243.98 - Step 6: Final answer
x = 163,108.82
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1.5x scale
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.