Finding the Fourth Proportional to 122,741.62, 169,381.83 and 69,026.62
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Solution
The fourth proportional to 122,741.62, 169,381.83 and 69,026.62 is: 95,255.83
Step by Step Solution
- Step 1: Write the proportion equation
122,741.62 : 169,381.83 = 69,026.62 : x - Step 2: Convert to fraction form
122,741.62/169,381.83 = 69,026.62/x - Step 3: Cross multiply
122,741.62x = 169,381.83 × 69,026.62 - Step 4: Simplify right side
122,741.62x = 11,691,855,214.31 - Step 5: Solve for x
x = 11,691,855,214.31/122,741.62 - Step 6: Final answer
x = 95,255.83
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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.