Finding the Fourth Proportional to 125,386.87, 173,044.74 and 68,809.18
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Solution
The fourth proportional to 125,386.87, 173,044.74 and 68,809.18 is: 94,962.63
Step by Step Solution
- Step 1: Write the proportion equation
125,386.87 : 173,044.74 = 68,809.18 : x - Step 2: Convert to fraction form
125,386.87/173,044.74 = 68,809.18/x - Step 3: Cross multiply
125,386.87x = 173,044.74 × 68,809.18 - Step 4: Simplify right side
125,386.87x = 11,907,066,662.71 - Step 5: Solve for x
x = 11,907,066,662.71/125,386.87 - Step 6: Final answer
x = 94,962.63
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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.