Finding the Fourth Proportional to 148,231.08, 204,556.86 and 81,163.08
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Solution
The fourth proportional to 148,231.08, 204,556.86 and 81,163.08 is: 112,003.94
Step by Step Solution
- Step 1: Write the proportion equation
148,231.08 : 204,556.86 = 81,163.08 : x - Step 2: Convert to fraction form
148,231.08/204,556.86 = 81,163.08/x - Step 3: Cross multiply
148,231.08x = 204,556.86 × 81,163.08 - Step 4: Simplify right side
148,231.08x = 16,602,464,792.73 - Step 5: Solve for x
x = 16,602,464,792.73/148,231.08 - Step 6: Final answer
x = 112,003.94
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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.