Finding the Fourth Proportional to 124,714.08, 172,104.75 and 68,125.05
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Solution
The fourth proportional to 124,714.08, 172,104.75 and 68,125.05 is: 94,012.20
Step by Step Solution
- Step 1: Write the proportion equation
124,714.08 : 172,104.75 = 68,125.05 : x - Step 2: Convert to fraction form
124,714.08/172,104.75 = 68,125.05/x - Step 3: Cross multiply
124,714.08x = 172,104.75 × 68,125.05 - Step 4: Simplify right side
124,714.08x = 11,724,644,698.99 - Step 5: Solve for x
x = 11,724,644,698.99/124,714.08 - Step 6: Final answer
x = 94,012.20
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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.