Finding the Fourth Proportional to 117,618.08, 162,313.72 and 63,903.08
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Solution
The fourth proportional to 117,618.08, 162,313.72 and 63,903.08 is: 88,186.67
Step by Step Solution
- Step 1: Write the proportion equation
117,618.08 : 162,313.72 = 63,903.08 : x - Step 2: Convert to fraction form
117,618.08/162,313.72 = 63,903.08/x - Step 3: Cross multiply
117,618.08x = 162,313.72 × 63,903.08 - Step 4: Simplify right side
117,618.08x = 10,372,346,634.26 - Step 5: Solve for x
x = 10,372,346,634.26/117,618.08 - Step 6: Final answer
x = 88,186.67
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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.