Finding the Fourth Proportional to 122,847.98, 169,529.63 and 69,133.91
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Solution
The fourth proportional to 122,847.98, 169,529.63 and 69,133.91 is: 95,404.46
Step by Step Solution
- Step 1: Write the proportion equation
122,847.98 : 169,529.63 = 69,133.91 : x - Step 2: Convert to fraction form
122,847.98/169,529.63 = 69,133.91/x - Step 3: Cross multiply
122,847.98x = 169,529.63 × 69,133.91 - Step 4: Simplify right side
122,847.98x = 11,720,244,989.44 - Step 5: Solve for x
x = 11,720,244,989.44/122,847.98 - Step 6: Final answer
x = 95,404.46
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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.