Finding the Fourth Proportional to 113,878.08, 170,631.36 and 95,215.68
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Solution
The fourth proportional to 113,878.08, 170,631.36 and 95,215.68 is: 142,668.20
Step by Step Solution
- Step 1: Write the proportion equation
113,878.08 : 170,631.36 = 95,215.68 : x - Step 2: Convert to fraction form
113,878.08/170,631.36 = 95,215.68/x - Step 3: Cross multiply
113,878.08x = 170,631.36 × 95,215.68 - Step 4: Simplify right side
113,878.08x = 16,246,780,971.72 - Step 5: Solve for x
x = 16,246,780,971.72/113,878.08 - Step 6: Final answer
x = 142,668.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.