Finding the Fourth Proportional to 122,595.30, 169,181.67 and 68,880.29
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Solution
The fourth proportional to 122,595.30, 169,181.67 and 68,880.29 is: 95,054.88
Step by Step Solution
- Step 1: Write the proportion equation
122,595.30 : 169,181.67 = 68,880.29 : x - Step 2: Convert to fraction form
122,595.30/169,181.67 = 68,880.29/x - Step 3: Cross multiply
122,595.30x = 169,181.67 × 68,880.29 - Step 4: Simplify right side
122,595.30x = 11,653,281,301.97 - Step 5: Solve for x
x = 11,653,281,301.97/122,595.30 - Step 6: Final answer
x = 95,054.88
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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.