Finding the Fourth Proportional to 119,556.77, 164,989.43 and 65,841.99
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Solution
The fourth proportional to 119,556.77, 164,989.43 and 65,841.99 is: 90,862.55
Step by Step Solution
- Step 1: Write the proportion equation
119,556.77 : 164,989.43 = 65,841.99 : x - Step 2: Convert to fraction form
119,556.77/164,989.43 = 65,841.99/x - Step 3: Cross multiply
119,556.77x = 164,989.43 × 65,841.99 - Step 4: Simplify right side
119,556.77x = 10,863,232,070.96 - Step 5: Solve for x
x = 10,863,232,070.96/119,556.77 - Step 6: Final answer
x = 90,862.55
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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.