Finding the Fourth Proportional to 133,073.07, 199,609.61 and 106,293.68
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Solution
The fourth proportional to 133,073.07, 199,609.61 and 106,293.68 is: 159,440.52
Step by Step Solution
- Step 1: Write the proportion equation
133,073.07 : 199,609.61 = 106,293.68 : x - Step 2: Convert to fraction form
133,073.07/199,609.61 = 106,293.68/x - Step 3: Cross multiply
133,073.07x = 199,609.61 × 106,293.68 - Step 4: Simplify right side
133,073.07x = 21,217,240,010.26 - Step 5: Solve for x
x = 21,217,240,010.26/133,073.07 - Step 6: Final answer
x = 159,440.52
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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.