Finding the Fourth Proportional to 124,749.26, 172,151.97 and 68,159.42
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Solution
The fourth proportional to 124,749.26, 172,151.97 and 68,159.42 is: 94,058.90
Step by Step Solution
- Step 1: Write the proportion equation
124,749.26 : 172,151.97 = 68,159.42 : x - Step 2: Convert to fraction form
124,749.26/172,151.97 = 68,159.42/x - Step 3: Cross multiply
124,749.26x = 172,151.97 × 68,159.42 - Step 4: Simplify right side
124,749.26x = 11,733,778,427.06 - Step 5: Solve for x
x = 11,733,778,427.06/124,749.26 - Step 6: Final answer
x = 94,058.90
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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.