Finding the Fourth Proportional to 115,202.58, 158,982.93 and 67,451.46
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Solution
The fourth proportional to 115,202.58, 158,982.93 and 67,451.46 is: 93,084.99
Step by Step Solution
- Step 1: Write the proportion equation
115,202.58 : 158,982.93 = 67,451.46 : x - Step 2: Convert to fraction form
115,202.58/158,982.93 = 67,451.46/x - Step 3: Cross multiply
115,202.58x = 158,982.93 × 67,451.46 - Step 4: Simplify right side
115,202.58x = 10,723,630,743.58 - Step 5: Solve for x
x = 10,723,630,743.58/115,202.58 - Step 6: Final answer
x = 93,084.99
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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.