Finding the Fourth Proportional to 117,498.08, 162,147.44 and 63,783.08
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Solution
The fourth proportional to 117,498.08, 162,147.44 and 63,783.08 is: 88,020.70
Step by Step Solution
- Step 1: Write the proportion equation
117,498.08 : 162,147.44 = 63,783.08 : x - Step 2: Convert to fraction form
117,498.08/162,147.44 = 63,783.08/x - Step 3: Cross multiply
117,498.08x = 162,147.44 × 63,783.08 - Step 4: Simplify right side
117,498.08x = 10,342,263,137.32 - Step 5: Solve for x
x = 10,342,263,137.32/117,498.08 - Step 6: Final answer
x = 88,020.70
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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.