Finding the Fourth Proportional to 122,606.16, 169,195.95 and 68,157.96
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Solution
The fourth proportional to 122,606.16, 169,195.95 and 68,157.96 is: 94,057.68
Step by Step Solution
- Step 1: Write the proportion equation
122,606.16 : 169,195.95 = 68,157.96 : x - Step 2: Convert to fraction form
122,606.16/169,195.95 = 68,157.96/x - Step 3: Cross multiply
122,606.16x = 169,195.95 × 68,157.96 - Step 4: Simplify right side
122,606.16x = 11,532,050,792.26 - Step 5: Solve for x
x = 11,532,050,792.26/122,606.16 - Step 6: Final answer
x = 94,057.68
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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.