Finding the Fourth Proportional to 160,125.15, 220,989.84 and 92,145.09
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Solution
The fourth proportional to 160,125.15, 220,989.84 and 92,145.09 is: 127,170.08
Step by Step Solution
- Step 1: Write the proportion equation
160,125.15 : 220,989.84 = 92,145.09 : x - Step 2: Convert to fraction form
160,125.15/220,989.84 = 92,145.09/x - Step 3: Cross multiply
160,125.15x = 220,989.84 × 92,145.09 - Step 4: Simplify right side
160,125.15x = 20,363,128,695.89 - Step 5: Solve for x
x = 20,363,128,695.89/160,125.15 - Step 6: Final answer
x = 127,170.08
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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.