Finding the Fourth Proportional to 107,854.70, 160,938.30 and 96,647.26
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Solution
The fourth proportional to 107,854.70, 160,938.30 and 96,647.26 is: 144,214.82
Step by Step Solution
- Step 1: Write the proportion equation
107,854.70 : 160,938.30 = 96,647.26 : x - Step 2: Convert to fraction form
107,854.70/160,938.30 = 96,647.26/x - Step 3: Cross multiply
107,854.70x = 160,938.30 × 96,647.26 - Step 4: Simplify right side
107,854.70x = 15,554,245,724.06 - Step 5: Solve for x
x = 15,554,245,724.06/107,854.70 - Step 6: Final answer
x = 144,214.82
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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.