Finding the Fourth Proportional to 113,867.91, 170,749.01 and 66,497.03
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Solution
The fourth proportional to 113,867.91, 170,749.01 and 66,497.03 is: 99,714.69
Step by Step Solution
- Step 1: Write the proportion equation
113,867.91 : 170,749.01 = 66,497.03 : x - Step 2: Convert to fraction form
113,867.91/170,749.01 = 66,497.03/x - Step 3: Cross multiply
113,867.91x = 170,749.01 × 66,497.03 - Step 4: Simplify right side
113,867.91x = 11,354,302,953.71 - Step 5: Solve for x
x = 11,354,302,953.71/113,867.91 - Step 6: Final answer
x = 99,714.69
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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.