Finding the Fourth Proportional to 133,242.92, 183,790.68 and 101,341.88
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Solution
The fourth proportional to 133,242.92, 183,790.68 and 101,341.88 is: 139,787.49
Step by Step Solution
- Step 1: Write the proportion equation
133,242.92 : 183,790.68 = 101,341.88 : x - Step 2: Convert to fraction form
133,242.92/183,790.68 = 101,341.88/x - Step 3: Cross multiply
133,242.92x = 183,790.68 × 101,341.88 - Step 4: Simplify right side
133,242.92x = 18,625,693,037.68 - Step 5: Solve for x
x = 18,625,693,037.68/133,242.92 - Step 6: Final answer
x = 139,787.49
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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.