Finding the Fourth Proportional to 115,962.76, 160,060.14 and 68,231.50
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Solution
The fourth proportional to 115,962.76, 160,060.14 and 68,231.50 is: 94,178.02
Step by Step Solution
- Step 1: Write the proportion equation
115,962.76 : 160,060.14 = 68,231.50 : x - Step 2: Convert to fraction form
115,962.76/160,060.14 = 68,231.50/x - Step 3: Cross multiply
115,962.76x = 160,060.14 × 68,231.50 - Step 4: Simplify right side
115,962.76x = 10,921,143,442.41 - Step 5: Solve for x
x = 10,921,143,442.41/115,962.76 - Step 6: Final answer
x = 94,178.02
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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.