Finding the Fourth Proportional to 97,543.41, 146,344.61 and 69,135.31
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Solution
The fourth proportional to 97,543.41, 146,344.61 and 69,135.31 is: 103,723.87
Step by Step Solution
- Step 1: Write the proportion equation
97,543.41 : 146,344.61 = 69,135.31 : x - Step 2: Convert to fraction form
97,543.41/146,344.61 = 69,135.31/x - Step 3: Cross multiply
97,543.41x = 146,344.61 × 69,135.31 - Step 4: Simplify right side
97,543.41x = 10,117,579,122.87 - Step 5: Solve for x
x = 10,117,579,122.87/97,543.41 - Step 6: Final answer
x = 103,723.87
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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.