Finding the Fourth Proportional to 107,636.24, 148,497.90 and 67,334.70
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Solution
The fourth proportional to 107,636.24, 148,497.90 and 67,334.70 is: 92,896.79
Step by Step Solution
- Step 1: Write the proportion equation
107,636.24 : 148,497.90 = 67,334.70 : x - Step 2: Convert to fraction form
107,636.24/148,497.90 = 67,334.70/x - Step 3: Cross multiply
107,636.24x = 148,497.90 × 67,334.70 - Step 4: Simplify right side
107,636.24x = 9,999,061,547.13 - Step 5: Solve for x
x = 9,999,061,547.13/107,636.24 - Step 6: Final answer
x = 92,896.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.