Finding the Fourth Proportional to 122,926.04, 169,641.23 and 69,213.09
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Solution
The fourth proportional to 122,926.04, 169,641.23 and 69,213.09 is: 95,515.92
Step by Step Solution
- Step 1: Write the proportion equation
122,926.04 : 169,641.23 = 69,213.09 : x - Step 2: Convert to fraction form
122,926.04/169,641.23 = 69,213.09/x - Step 3: Cross multiply
122,926.04x = 169,641.23 × 69,213.09 - Step 4: Simplify right side
122,926.04x = 11,741,393,373.64 - Step 5: Solve for x
x = 11,741,393,373.64/122,926.04 - Step 6: Final answer
x = 95,515.92
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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.