Finding the Fourth Proportional to 122,927.04, 169,642.61 and 69,214.09
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Solution
The fourth proportional to 122,927.04, 169,642.61 and 69,214.09 is: 95,517.30
Step by Step Solution
- Step 1: Write the proportion equation
122,927.04 : 169,642.61 = 69,214.09 : x - Step 2: Convert to fraction form
122,927.04/169,642.61 = 69,214.09/x - Step 3: Cross multiply
122,927.04x = 169,642.61 × 69,214.09 - Step 4: Simplify right side
122,927.04x = 11,741,658,876.37 - Step 5: Solve for x
x = 11,741,658,876.37/122,927.04 - Step 6: Final answer
x = 95,517.30
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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.