Finding the Fourth Proportional to 115,958.58, 160,344.96 and 92,043.75
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Solution
The fourth proportional to 115,958.58, 160,344.96 and 92,043.75 is: 127,276.06
Step by Step Solution
- Step 1: Write the proportion equation
115,958.58 : 160,344.96 = 92,043.75 : x - Step 2: Convert to fraction form
115,958.58/160,344.96 = 92,043.75/x - Step 3: Cross multiply
115,958.58x = 160,344.96 × 92,043.75 - Step 4: Simplify right side
115,958.58x = 14,758,751,412 - Step 5: Solve for x
x = 14,758,751,412/115,958.58 - Step 6: Final answer
x = 127,276.06
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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.