Finding the Fourth Proportional to 134,826.05, 186,059.67 and 74,396.51
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Solution
The fourth proportional to 134,826.05, 186,059.67 and 74,396.51 is: 102,667.02
Step by Step Solution
- Step 1: Write the proportion equation
134,826.05 : 186,059.67 = 74,396.51 : x - Step 2: Convert to fraction form
134,826.05/186,059.67 = 74,396.51/x - Step 3: Cross multiply
134,826.05x = 186,059.67 × 74,396.51 - Step 4: Simplify right side
134,826.05x = 13,842,189,588.19 - Step 5: Solve for x
x = 13,842,189,588.19/134,826.05 - Step 6: Final answer
x = 102,667.02
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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.