Finding the Fourth Proportional to 125,115.14, 172,658.99 and 67,754.92
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Solution
The fourth proportional to 125,115.14, 172,658.99 and 67,754.92 is: 93,501.84
Step by Step Solution
- Step 1: Write the proportion equation
125,115.14 : 172,658.99 = 67,754.92 : x - Step 2: Convert to fraction form
125,115.14/172,658.99 = 67,754.92/x - Step 3: Cross multiply
125,115.14x = 172,658.99 × 67,754.92 - Step 4: Simplify right side
125,115.14x = 11,698,496,054.73 - Step 5: Solve for x
x = 11,698,496,054.73/125,115.14 - Step 6: Final answer
x = 93,501.84
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1.5x scale
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.