Finding the Fourth Proportional to 125,616.96, 173,344.32 and 77,237.28
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Solution
The fourth proportional to 125,616.96, 173,344.32 and 77,237.28 is: 106,583.09
Step by Step Solution
- Step 1: Write the proportion equation
125,616.96 : 173,344.32 = 77,237.28 : x - Step 2: Convert to fraction form
125,616.96/173,344.32 = 77,237.28/x - Step 3: Cross multiply
125,616.96x = 173,344.32 × 77,237.28 - Step 4: Simplify right side
125,616.96x = 13,388,643,780.25 - Step 5: Solve for x
x = 13,388,643,780.25/125,616.96 - Step 6: Final answer
x = 106,583.09
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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.