Finding the Fourth Proportional to 113,684.08, 170,614.08 and 91,551.76
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Solution
The fourth proportional to 113,684.08, 170,614.08 and 91,551.76 is: 137,398.48
Step by Step Solution
- Step 1: Write the proportion equation
113,684.08 : 170,614.08 = 91,551.76 : x - Step 2: Convert to fraction form
113,684.08/170,614.08 = 91,551.76/x - Step 3: Cross multiply
113,684.08x = 170,614.08 × 91,551.76 - Step 4: Simplify right side
113,684.08x = 15,620,019,304.78 - Step 5: Solve for x
x = 15,620,019,304.78/113,684.08 - Step 6: Final answer
x = 137,398.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.