Finding the Fourth Proportional to 97,664.99, 147,229.50 and 91,154.97
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Solution
The fourth proportional to 97,664.99, 147,229.50 and 91,154.97 is: 137,415.68
Step by Step Solution
- Step 1: Write the proportion equation
97,664.99 : 147,229.50 = 91,154.97 : x - Step 2: Convert to fraction form
97,664.99/147,229.50 = 91,154.97/x - Step 3: Cross multiply
97,664.99x = 147,229.50 × 91,154.97 - Step 4: Simplify right side
97,664.99x = 13,420,700,655.62 - Step 5: Solve for x
x = 13,420,700,655.62/97,664.99 - Step 6: Final answer
x = 137,415.68
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.