Finding the Fourth Proportional to 125,269.21, 172,871.24 and 68,680.59
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Solution
The fourth proportional to 125,269.21, 172,871.24 and 68,680.59 is: 94,779.07
Step by Step Solution
- Step 1: Write the proportion equation
125,269.21 : 172,871.24 = 68,680.59 : x - Step 2: Convert to fraction form
125,269.21/172,871.24 = 68,680.59/x - Step 3: Cross multiply
125,269.21x = 172,871.24 × 68,680.59 - Step 4: Simplify right side
125,269.21x = 11,872,898,757.23 - Step 5: Solve for x
x = 11,872,898,757.23/125,269.21 - Step 6: Final answer
x = 94,779.07
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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.