Finding the Fourth Proportional to 122,944.14, 169,679.08 and 69,239.66
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Solution
The fourth proportional to 122,944.14, 169,679.08 and 69,239.66 is: 95,559.84
Step by Step Solution
- Step 1: Write the proportion equation
122,944.14 : 169,679.08 = 69,239.66 : x - Step 2: Convert to fraction form
122,944.14/169,679.08 = 69,239.66/x - Step 3: Cross multiply
122,944.14x = 169,679.08 × 69,239.66 - Step 4: Simplify right side
122,944.14x = 11,748,521,808.31 - Step 5: Solve for x
x = 11,748,521,808.31/122,944.14 - Step 6: Final answer
x = 95,559.84
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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.