Finding the Fourth Proportional to 117,176.93, 161,704.11 and 63,461.95
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Solution
The fourth proportional to 117,176.93, 161,704.11 and 63,461.95 is: 87,577.46
Step by Step Solution
- Step 1: Write the proportion equation
117,176.93 : 161,704.11 = 63,461.95 : x - Step 2: Convert to fraction form
117,176.93/161,704.11 = 63,461.95/x - Step 3: Cross multiply
117,176.93x = 161,704.11 × 63,461.95 - Step 4: Simplify right side
117,176.93x = 10,262,057,977.34 - Step 5: Solve for x
x = 10,262,057,977.34/117,176.93 - Step 6: Final answer
x = 87,577.46
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1.5x scale
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.