Finding the Fourth Proportional to 122,603.67, 169,197.48 and 68,887.67
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Solution
The fourth proportional to 122,603.67, 169,197.48 and 68,887.67 is: 95,067.46
Step by Step Solution
- Step 1: Write the proportion equation
122,603.67 : 169,197.48 = 68,887.67 : x - Step 2: Convert to fraction form
122,603.67/169,197.48 = 68,887.67/x - Step 3: Cross multiply
122,603.67x = 169,197.48 × 68,887.67 - Step 4: Simplify right side
122,603.67x = 11,655,619,321.08 - Step 5: Solve for x
x = 11,655,619,321.08/122,603.67 - Step 6: Final answer
x = 95,067.46
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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.