Finding the Fourth Proportional to 119,459.07, 164,864.57 and 65,754.99
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Solution
The fourth proportional to 119,459.07, 164,864.57 and 65,754.99 is: 90,747.97
Step by Step Solution
- Step 1: Write the proportion equation
119,459.07 : 164,864.57 = 65,754.99 : x - Step 2: Convert to fraction form
119,459.07/164,864.57 = 65,754.99/x - Step 3: Cross multiply
119,459.07x = 164,864.57 × 65,754.99 - Step 4: Simplify right side
119,459.07x = 10,840,667,822.93 - Step 5: Solve for x
x = 10,840,667,822.93/119,459.07 - Step 6: Final answer
x = 90,747.97
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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.