Finding the Fourth Proportional to 125,957.12, 173,821.04 and 69,368.64
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Solution
The fourth proportional to 125,957.12, 173,821.04 and 69,368.64 is: 95,728.84
Step by Step Solution
- Step 1: Write the proportion equation
125,957.12 : 173,821.04 = 69,368.64 : x - Step 2: Convert to fraction form
125,957.12/173,821.04 = 69,368.64/x - Step 3: Cross multiply
125,957.12x = 173,821.04 × 69,368.64 - Step 4: Simplify right side
125,957.12x = 12,057,729,148.19 - Step 5: Solve for x
x = 12,057,729,148.19/125,957.12 - Step 6: Final answer
x = 95,728.84
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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.