Finding the Fourth Proportional to 117,938.68, 162,751.62 and 70,181.08
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Solution
The fourth proportional to 117,938.68, 162,751.62 and 70,181.08 is: 96,847.65
Step by Step Solution
- Step 1: Write the proportion equation
117,938.68 : 162,751.62 = 70,181.08 : x - Step 2: Convert to fraction form
117,938.68/162,751.62 = 70,181.08/x - Step 3: Cross multiply
117,938.68x = 162,751.62 × 70,181.08 - Step 4: Simplify right side
117,938.68x = 11,422,084,463.35 - Step 5: Solve for x
x = 11,422,084,463.35/117,938.68 - Step 6: Final answer
x = 96,847.65
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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.