Finding the Fourth Proportional to 134,534.49, 185,660.40 and 74,107.68
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Solution
The fourth proportional to 134,534.49, 185,660.40 and 74,107.68 is: 102,270.14
Step by Step Solution
- Step 1: Write the proportion equation
134,534.49 : 185,660.40 = 74,107.68 : x - Step 2: Convert to fraction form
134,534.49/185,660.40 = 74,107.68/x - Step 3: Cross multiply
134,534.49x = 185,660.40 × 74,107.68 - Step 4: Simplify right side
134,534.49x = 13,758,861,511.87 - Step 5: Solve for x
x = 13,758,861,511.87/134,534.49 - Step 6: Final answer
x = 102,270.14
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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.