Finding the Fourth Proportional to 122,863.44, 169,549.44 and 69,148.32
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Solution
The fourth proportional to 122,863.44, 169,549.44 and 69,148.32 is: 95,423.50
Step by Step Solution
- Step 1: Write the proportion equation
122,863.44 : 169,549.44 = 69,148.32 : x - Step 2: Convert to fraction form
122,863.44/169,549.44 = 69,148.32/x - Step 3: Cross multiply
122,863.44x = 169,549.44 × 69,148.32 - Step 4: Simplify right side
122,863.44x = 11,724,058,932.94 - Step 5: Solve for x
x = 11,724,058,932.94/122,863.44 - Step 6: Final answer
x = 95,423.50
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1.5x scale
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.