Finding the Fourth Proportional to 125,487.17, 173,172.43 and 74,510.08
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Solution
The fourth proportional to 125,487.17, 173,172.43 and 74,510.08 is: 102,823.99
Step by Step Solution
- Step 1: Write the proportion equation
125,487.17 : 173,172.43 = 74,510.08 : x - Step 2: Convert to fraction form
125,487.17/173,172.43 = 74,510.08/x - Step 3: Cross multiply
125,487.17x = 173,172.43 × 74,510.08 - Step 4: Simplify right side
125,487.17x = 12,903,091,240.54 - Step 5: Solve for x
x = 12,903,091,240.54/125,487.17 - Step 6: Final answer
x = 102,823.99
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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.