Finding the Fourth Proportional to 156,734.10, 235,140.93 and 72,554.99
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Solution
The fourth proportional to 156,734.10, 235,140.93 and 72,554.99 is: 108,850.90
Step by Step Solution
- Step 1: Write the proportion equation
156,734.10 : 235,140.93 = 72,554.99 : x - Step 2: Convert to fraction form
156,734.10/235,140.93 = 72,554.99/x - Step 3: Cross multiply
156,734.10x = 235,140.93 × 72,554.99 - Step 4: Simplify right side
156,734.10x = 17,060,647,824.74 - Step 5: Solve for x
x = 17,060,647,824.74/156,734.10 - Step 6: Final answer
x = 108,850.90
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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.