Finding the Fourth Proportional to 125,218.08, 172,800.61 and 67,858.99
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Solution
The fourth proportional to 125,218.08, 172,800.61 and 67,858.99 is: 93,645.22
Step by Step Solution
- Step 1: Write the proportion equation
125,218.08 : 172,800.61 = 67,858.99 : x - Step 2: Convert to fraction form
125,218.08/172,800.61 = 67,858.99/x - Step 3: Cross multiply
125,218.08x = 172,800.61 × 67,858.99 - Step 4: Simplify right side
125,218.08x = 11,726,074,865.98 - Step 5: Solve for x
x = 11,726,074,865.98/125,218.08 - Step 6: Final answer
x = 93,645.22
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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.