Finding the Fourth Proportional to 121,171.50, 167,232.30 and 69,508.71
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Solution
The fourth proportional to 121,171.50, 167,232.30 and 69,508.71 is: 95,930.99
Step by Step Solution
- Step 1: Write the proportion equation
121,171.50 : 167,232.30 = 69,508.71 : x - Step 2: Convert to fraction form
121,171.50/167,232.30 = 69,508.71/x - Step 3: Cross multiply
121,171.50x = 167,232.30 × 69,508.71 - Step 4: Simplify right side
121,171.50x = 11,624,101,443.33 - Step 5: Solve for x
x = 11,624,101,443.33/121,171.50 - Step 6: Final answer
x = 95,930.99
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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.