Finding the Fourth Proportional to 160,176.12, 221,043.42 and 92,197.32
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Solution
The fourth proportional to 160,176.12, 221,043.42 and 92,197.32 is: 127,232.52
Step by Step Solution
- Step 1: Write the proportion equation
160,176.12 : 221,043.42 = 92,197.32 : x - Step 2: Convert to fraction form
160,176.12/221,043.42 = 92,197.32/x - Step 3: Cross multiply
160,176.12x = 221,043.42 × 92,197.32 - Step 4: Simplify right side
160,176.12x = 20,379,610,927.63 - Step 5: Solve for x
x = 20,379,610,927.63/160,176.12 - Step 6: Final answer
x = 127,232.52
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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.