Finding the Fourth Proportional to 136,888.29, 205,332.44 and 89,543.19
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Solution
The fourth proportional to 136,888.29, 205,332.44 and 89,543.19 is: 134,314.79
Step by Step Solution
- Step 1: Write the proportion equation
136,888.29 : 205,332.44 = 89,543.19 : x - Step 2: Convert to fraction form
136,888.29/205,332.44 = 89,543.19/x - Step 3: Cross multiply
136,888.29x = 205,332.44 × 89,543.19 - Step 4: Simplify right side
136,888.29x = 18,386,121,240.37 - Step 5: Solve for x
x = 18,386,121,240.37/136,888.29 - Step 6: Final answer
x = 134,314.79
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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.