Finding the Fourth Proportional to 125,247.48, 172,841.28 and 68,659.26
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Solution
The fourth proportional to 125,247.48, 172,841.28 and 68,659.26 is: 94,749.65
Step by Step Solution
- Step 1: Write the proportion equation
125,247.48 : 172,841.28 = 68,659.26 : x - Step 2: Convert to fraction form
125,247.48/172,841.28 = 68,659.26/x - Step 3: Cross multiply
125,247.48x = 172,841.28 × 68,659.26 - Step 4: Simplify right side
125,247.48x = 11,867,154,382.25 - Step 5: Solve for x
x = 11,867,154,382.25/125,247.48 - Step 6: Final answer
x = 94,749.65
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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.