Finding the Fourth Proportional to 125,767.67, 173,557.63 and 68,405.75
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Solution
The fourth proportional to 125,767.67, 173,557.63 and 68,405.75 is: 94,398.98
Step by Step Solution
- Step 1: Write the proportion equation
125,767.67 : 173,557.63 = 68,405.75 : x - Step 2: Convert to fraction form
125,767.67/173,557.63 = 68,405.75/x - Step 3: Cross multiply
125,767.67x = 173,557.63 × 68,405.75 - Step 4: Simplify right side
125,767.67x = 11,872,339,848.37 - Step 5: Solve for x
x = 11,872,339,848.37/125,767.67 - Step 6: Final answer
x = 94,398.98
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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.