Finding the Fourth Proportional to 125,203.46, 172,780.20 and 67,842.99
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Solution
The fourth proportional to 125,203.46, 172,780.20 and 67,842.99 is: 93,623.02
Step by Step Solution
- Step 1: Write the proportion equation
125,203.46 : 172,780.20 = 67,842.99 : x - Step 2: Convert to fraction form
125,203.46/172,780.20 = 67,842.99/x - Step 3: Cross multiply
125,203.46x = 172,780.20 × 67,842.99 - Step 4: Simplify right side
125,203.46x = 11,721,925,380.80 - Step 5: Solve for x
x = 11,721,925,380.80/125,203.46 - Step 6: Final answer
x = 93,623.02
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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.