Finding the Fourth Proportional to 168,793.71, 232,912.73 and 93,347.07
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Solution
The fourth proportional to 168,793.71, 232,912.73 and 93,347.07 is: 128,806.46
Step by Step Solution
- Step 1: Write the proportion equation
168,793.71 : 232,912.73 = 93,347.07 : x - Step 2: Convert to fraction form
168,793.71/232,912.73 = 93,347.07/x - Step 3: Cross multiply
168,793.71x = 232,912.73 × 93,347.07 - Step 4: Simplify right side
168,793.71x = 21,741,720,271.15 - Step 5: Solve for x
x = 21,741,720,271.15/168,793.71 - Step 6: Final answer
x = 128,806.46
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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.