Finding the Fourth Proportional to 125,113.92, 186,700.80 and 113,938.08
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Solution
The fourth proportional to 125,113.92, 186,700.80 and 113,938.08 is: 170,023.69
Step by Step Solution
- Step 1: Write the proportion equation
125,113.92 : 186,700.80 = 113,938.08 : x - Step 2: Convert to fraction form
125,113.92/186,700.80 = 113,938.08/x - Step 3: Cross multiply
125,113.92x = 186,700.80 × 113,938.08 - Step 4: Simplify right side
125,113.92x = 21,272,330,686.46 - Step 5: Solve for x
x = 21,272,330,686.46/125,113.92 - Step 6: Final answer
x = 170,023.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.