Finding the Fourth Proportional to 117,563.68, 162,239.06 and 63,849.75
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Solution
The fourth proportional to 117,563.68, 162,239.06 and 63,849.75 is: 88,113.30
Step by Step Solution
- Step 1: Write the proportion equation
117,563.68 : 162,239.06 = 63,849.75 : x - Step 2: Convert to fraction form
117,563.68/162,239.06 = 63,849.75/x - Step 3: Cross multiply
117,563.68x = 162,239.06 × 63,849.75 - Step 4: Simplify right side
117,563.68x = 10,358,923,421.24 - Step 5: Solve for x
x = 10,358,923,421.24/117,563.68 - Step 6: Final answer
x = 88,113.30
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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.