Finding the Fourth Proportional to 140,051.08, 193,272.90 and 76,391.08
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Solution
The fourth proportional to 140,051.08, 193,272.90 and 76,391.08 is: 105,421.00
Step by Step Solution
- Step 1: Write the proportion equation
140,051.08 : 193,272.90 = 76,391.08 : x - Step 2: Convert to fraction form
140,051.08/193,272.90 = 76,391.08/x - Step 3: Cross multiply
140,051.08x = 193,272.90 × 76,391.08 - Step 4: Simplify right side
140,051.08x = 14,764,325,565.73 - Step 5: Solve for x
x = 14,764,325,565.73/140,051.08 - Step 6: Final answer
x = 105,421.00
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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.