Finding the Fourth Proportional to 125,569.23, 188,113.27 and 121,348.32
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Solution
The fourth proportional to 125,569.23, 188,113.27 and 121,348.32 is: 181,789.99
Step by Step Solution
- Step 1: Write the proportion equation
125,569.23 : 188,113.27 = 121,348.32 : x - Step 2: Convert to fraction form
125,569.23/188,113.27 = 121,348.32/x - Step 3: Cross multiply
125,569.23x = 188,113.27 × 121,348.32 - Step 4: Simplify right side
125,569.23x = 22,827,229,284.21 - Step 5: Solve for x
x = 22,827,229,284.21/125,569.23 - Step 6: Final answer
x = 181,789.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.