Finding the Fourth Proportional to 107,358.88, 160,953.62 and 67,832.68
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Solution
The fourth proportional to 107,358.88, 160,953.62 and 67,832.68 is: 101,695.50
Step by Step Solution
- Step 1: Write the proportion equation
107,358.88 : 160,953.62 = 67,832.68 : x - Step 2: Convert to fraction form
107,358.88/160,953.62 = 67,832.68/x - Step 3: Cross multiply
107,358.88x = 160,953.62 × 67,832.68 - Step 4: Simplify right side
107,358.88x = 10,917,915,400.30 - Step 5: Solve for x
x = 10,917,915,400.30/107,358.88 - Step 6: Final answer
x = 101,695.50
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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.