Finding the Fourth Proportional to 138,088.24, 207,001.14 and 88,027.81
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Solution
The fourth proportional to 138,088.24, 207,001.14 and 88,027.81 is: 131,958.07
Step by Step Solution
- Step 1: Write the proportion equation
138,088.24 : 207,001.14 = 88,027.81 : x - Step 2: Convert to fraction form
138,088.24/207,001.14 = 88,027.81/x - Step 3: Cross multiply
138,088.24x = 207,001.14 × 88,027.81 - Step 4: Simplify right side
138,088.24x = 18,221,857,021.70 - Step 5: Solve for x
x = 18,221,857,021.70/138,088.24 - Step 6: Final answer
x = 131,958.07
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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.