Finding the Fourth Proportional to 122,944.58, 169,679.69 and 69,240.09
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Solution
The fourth proportional to 122,944.58, 169,679.69 and 69,240.09 is: 95,560.43
Step by Step Solution
- Step 1: Write the proportion equation
122,944.58 : 169,679.69 = 69,240.09 : x - Step 2: Convert to fraction form
122,944.58/169,679.69 = 69,240.09/x - Step 3: Cross multiply
122,944.58x = 169,679.69 × 69,240.09 - Step 4: Simplify right side
122,944.58x = 11,748,637,084.77 - Step 5: Solve for x
x = 11,748,637,084.77/122,944.58 - Step 6: Final answer
x = 95,560.43
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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.