Finding the Fourth Proportional to 122,725.97, 169,362.85 and 69,010.52
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Solution
The fourth proportional to 122,725.97, 169,362.85 and 69,010.52 is: 95,235.08
Step by Step Solution
- Step 1: Write the proportion equation
122,725.97 : 169,362.85 = 69,010.52 : x - Step 2: Convert to fraction form
122,725.97/169,362.85 = 69,010.52/x - Step 3: Cross multiply
122,725.97x = 169,362.85 × 69,010.52 - Step 4: Simplify right side
122,725.97x = 11,687,817,457.24 - Step 5: Solve for x
x = 11,687,817,457.24/122,725.97 - Step 6: Final answer
x = 95,235.08
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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.