Finding the Fourth Proportional to 133,025.18, 183,642.48 and 102,742.52
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Solution
The fourth proportional to 133,025.18, 183,642.48 and 102,742.52 is: 141,836.99
Step by Step Solution
- Step 1: Write the proportion equation
133,025.18 : 183,642.48 = 102,742.52 : x - Step 2: Convert to fraction form
133,025.18/183,642.48 = 102,742.52/x - Step 3: Cross multiply
133,025.18x = 183,642.48 × 102,742.52 - Step 4: Simplify right side
133,025.18x = 18,867,890,660.54 - Step 5: Solve for x
x = 18,867,890,660.54/133,025.18 - Step 6: Final answer
x = 141,836.99
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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.