Finding the Fourth Proportional to 156,841.46, 235,129.93 and 68,028.07
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Solution
The fourth proportional to 156,841.46, 235,129.93 and 68,028.07 is: 101,984.74
Step by Step Solution
- Step 1: Write the proportion equation
156,841.46 : 235,129.93 = 68,028.07 : x - Step 2: Convert to fraction form
156,841.46/235,129.93 = 68,028.07/x - Step 3: Cross multiply
156,841.46x = 235,129.93 × 68,028.07 - Step 4: Simplify right side
156,841.46x = 15,995,435,337.14 - Step 5: Solve for x
x = 15,995,435,337.14/156,841.46 - Step 6: Final answer
x = 101,984.74
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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.