Finding the Fourth Proportional to 125,341.02, 172,964.97 and 68,751.18
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Solution
The fourth proportional to 125,341.02, 172,964.97 and 68,751.18 is: 94,873.54
Step by Step Solution
- Step 1: Write the proportion equation
125,341.02 : 172,964.97 = 68,751.18 : x - Step 2: Convert to fraction form
125,341.02/172,964.97 = 68,751.18/x - Step 3: Cross multiply
125,341.02x = 172,964.97 × 68,751.18 - Step 4: Simplify right side
125,341.02x = 11,891,545,786.16 - Step 5: Solve for x
x = 11,891,545,786.16/125,341.02 - Step 6: Final answer
x = 94,873.54
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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.