Finding the Fourth Proportional to 122,570.24, 169,151.29 and 68,854.07
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Solution
The fourth proportional to 122,570.24, 169,151.29 and 68,854.07 is: 95,021.07
Step by Step Solution
- Step 1: Write the proportion equation
122,570.24 : 169,151.29 = 68,854.07 : x - Step 2: Convert to fraction form
122,570.24/169,151.29 = 68,854.07/x - Step 3: Cross multiply
122,570.24x = 169,151.29 × 68,854.07 - Step 4: Simplify right side
122,570.24x = 11,646,755,012.99 - Step 5: Solve for x
x = 11,646,755,012.99/122,570.24 - Step 6: Final answer
x = 95,021.07
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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.