Finding the Fourth Proportional to 168,278.73, 232,182.58 and 102,850.84
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Solution
The fourth proportional to 168,278.73, 232,182.58 and 102,850.84 is: 141,908.45
Step by Step Solution
- Step 1: Write the proportion equation
168,278.73 : 232,182.58 = 102,850.84 : x - Step 2: Convert to fraction form
168,278.73/232,182.58 = 102,850.84/x - Step 3: Cross multiply
168,278.73x = 232,182.58 × 102,850.84 - Step 4: Simplify right side
168,278.73x = 23,880,173,386.37 - Step 5: Solve for x
x = 23,880,173,386.37/168,278.73 - Step 6: Final answer
x = 141,908.45
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1.5x scale
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.