Finding the Fourth Proportional to 168,121.09, 232,023.45 and 125,605.81
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Solution
The fourth proportional to 168,121.09, 232,023.45 and 125,605.81 is: 173,348.23
Step by Step Solution
- Step 1: Write the proportion equation
168,121.09 : 232,023.45 = 125,605.81 : x - Step 2: Convert to fraction form
168,121.09/232,023.45 = 125,605.81/x - Step 3: Cross multiply
168,121.09x = 232,023.45 × 125,605.81 - Step 4: Simplify right side
168,121.09x = 29,143,493,376.24 - Step 5: Solve for x
x = 29,143,493,376.24/168,121.09 - Step 6: Final answer
x = 173,348.23
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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.