Finding the Fourth Proportional to 156,841.58, 235,130.11 and 68,028.19
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Solution
The fourth proportional to 156,841.58, 235,130.11 and 68,028.19 is: 101,984.91
Step by Step Solution
- Step 1: Write the proportion equation
156,841.58 : 235,130.11 = 68,028.19 : x - Step 2: Convert to fraction form
156,841.58/235,130.11 = 68,028.19/x - Step 3: Cross multiply
156,841.58x = 235,130.11 × 68,028.19 - Step 4: Simplify right side
156,841.58x = 15,995,475,039.91 - Step 5: Solve for x
x = 15,995,475,039.91/156,841.58 - Step 6: Final answer
x = 101,984.91
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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.