Finding the Fourth Proportional to 125,249.24, 172,842.63 and 68,660.30
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Solution
The fourth proportional to 125,249.24, 172,842.63 and 68,660.30 is: 94,750.49
Step by Step Solution
- Step 1: Write the proportion equation
125,249.24 : 172,842.63 = 68,660.30 : x - Step 2: Convert to fraction form
125,249.24/172,842.63 = 68,660.30/x - Step 3: Cross multiply
125,249.24x = 172,842.63 × 68,660.30 - Step 4: Simplify right side
125,249.24x = 11,867,426,828.59 - Step 5: Solve for x
x = 11,867,426,828.59/125,249.24 - Step 6: Final answer
x = 94,750.49
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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.