Finding the Fourth Proportional to 122,132.64, 183,269.76 and 65,974.08
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Solution
The fourth proportional to 122,132.64, 183,269.76 and 65,974.08 is: 98,999.37
Step by Step Solution
- Step 1: Write the proportion equation
122,132.64 : 183,269.76 = 65,974.08 : x - Step 2: Convert to fraction form
122,132.64/183,269.76 = 65,974.08/x - Step 3: Cross multiply
122,132.64x = 183,269.76 × 65,974.08 - Step 4: Simplify right side
122,132.64x = 12,091,053,807.82 - Step 5: Solve for x
x = 12,091,053,807.82/122,132.64 - Step 6: Final answer
x = 98,999.37
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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.