Finding the Fourth Proportional to 122,794.50, 169,457.22 and 69,079.08
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Solution
The fourth proportional to 122,794.50, 169,457.22 and 69,079.08 is: 95,329.59
Step by Step Solution
- Step 1: Write the proportion equation
122,794.50 : 169,457.22 = 69,079.08 : x - Step 2: Convert to fraction form
122,794.50/169,457.22 = 69,079.08/x - Step 3: Cross multiply
122,794.50x = 169,457.22 × 69,079.08 - Step 4: Simplify right side
122,794.50x = 11,705,948,856.96 - Step 5: Solve for x
x = 11,705,948,856.96/122,794.50 - Step 6: Final answer
x = 95,329.59
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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.