Finding the Fourth Proportional to 135,065.64, 186,391.17 and 73,813.07
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Solution
The fourth proportional to 135,065.64, 186,391.17 and 73,813.07 is: 101,862.35
Step by Step Solution
- Step 1: Write the proportion equation
135,065.64 : 186,391.17 = 73,813.07 : x - Step 2: Convert to fraction form
135,065.64/186,391.17 = 73,813.07/x - Step 3: Cross multiply
135,065.64x = 186,391.17 × 73,813.07 - Step 4: Simplify right side
135,065.64x = 13,758,103,546.64 - Step 5: Solve for x
x = 13,758,103,546.64/135,065.64 - Step 6: Final answer
x = 101,862.35
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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.