Finding the Fourth Proportional to 125,893.18, 173,728.74 and 69,304.12
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Solution
The fourth proportional to 125,893.18, 173,728.74 and 69,304.12 is: 95,637.57
Step by Step Solution
- Step 1: Write the proportion equation
125,893.18 : 173,728.74 = 69,304.12 : x - Step 2: Convert to fraction form
125,893.18/173,728.74 = 69,304.12/x - Step 3: Cross multiply
125,893.18x = 173,728.74 × 69,304.12 - Step 4: Simplify right side
125,893.18x = 12,040,117,444.41 - Step 5: Solve for x
x = 12,040,117,444.41/125,893.18 - Step 6: Final answer
x = 95,637.57
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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.