Finding the Fourth Proportional to 122,825.26, 169,480.65 and 69,107.07
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Solution
The fourth proportional to 122,825.26, 169,480.65 and 69,107.07 is: 95,357.52
Step by Step Solution
- Step 1: Write the proportion equation
122,825.26 : 169,480.65 = 69,107.07 : x - Step 2: Convert to fraction form
122,825.26/169,480.65 = 69,107.07/x - Step 3: Cross multiply
122,825.26x = 169,480.65 × 69,107.07 - Step 4: Simplify right side
122,825.26x = 11,712,312,037.90 - Step 5: Solve for x
x = 11,712,312,037.90/122,825.26 - Step 6: Final answer
x = 95,357.52
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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.