Finding the Fourth Proportional to 98,156.76, 147,124.71 and 41,968.68
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Solution
The fourth proportional to 98,156.76, 147,124.71 and 41,968.68 is: 62,905.80
Step by Step Solution
- Step 1: Write the proportion equation
98,156.76 : 147,124.71 = 41,968.68 : x - Step 2: Convert to fraction form
98,156.76/147,124.71 = 41,968.68/x - Step 3: Cross multiply
98,156.76x = 147,124.71 × 41,968.68 - Step 4: Simplify right side
98,156.76x = 6,174,629,874.08 - Step 5: Solve for x
x = 6,174,629,874.08/98,156.76 - Step 6: Final answer
x = 62,905.80
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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.