Finding the Fourth Proportional to 119,391.08, 164,756.18 and 65,676.06
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Solution
The fourth proportional to 119,391.08, 164,756.18 and 65,676.06 is: 90,631.03
Step by Step Solution
- Step 1: Write the proportion equation
119,391.08 : 164,756.18 = 65,676.06 : x - Step 2: Convert to fraction form
119,391.08/164,756.18 = 65,676.06/x - Step 3: Cross multiply
119,391.08x = 164,756.18 × 65,676.06 - Step 4: Simplify right side
119,391.08x = 10,820,536,434.67 - Step 5: Solve for x
x = 10,820,536,434.67/119,391.08 - Step 6: Final answer
x = 90,631.03
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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.