Finding the Fourth Proportional to 168,756.47, 253,134.95 and 68,916.66
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Solution
The fourth proportional to 168,756.47, 253,134.95 and 68,916.66 is: 103,375.09
Step by Step Solution
- Step 1: Write the proportion equation
168,756.47 : 253,134.95 = 68,916.66 : x - Step 2: Convert to fraction form
168,756.47/253,134.95 = 68,916.66/x - Step 3: Cross multiply
168,756.47x = 253,134.95 × 68,916.66 - Step 4: Simplify right side
168,756.47x = 17,445,214,938.68 - Step 5: Solve for x
x = 17,445,214,938.68/168,756.47 - Step 6: Final answer
x = 103,375.09
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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.