Finding the Fourth Proportional to 125,649.77, 173,398.01 and 68,289.08
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Solution
The fourth proportional to 125,649.77, 173,398.01 and 68,289.08 is: 94,239.65
Step by Step Solution
- Step 1: Write the proportion equation
125,649.77 : 173,398.01 = 68,289.08 : x - Step 2: Convert to fraction form
125,649.77/173,398.01 = 68,289.08/x - Step 3: Cross multiply
125,649.77x = 173,398.01 × 68,289.08 - Step 4: Simplify right side
125,649.77x = 11,841,189,368.30 - Step 5: Solve for x
x = 11,841,189,368.30/125,649.77 - Step 6: Final answer
x = 94,239.65
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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.