Finding the Fourth Proportional to 140,527.44, 193,925.34 and 76,864.68
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Solution
The fourth proportional to 140,527.44, 193,925.34 and 76,864.68 is: 106,071.88
Step by Step Solution
- Step 1: Write the proportion equation
140,527.44 : 193,925.34 = 76,864.68 : x - Step 2: Convert to fraction form
140,527.44/193,925.34 = 76,864.68/x - Step 3: Cross multiply
140,527.44x = 193,925.34 × 76,864.68 - Step 4: Simplify right side
140,527.44x = 14,906,009,202.99 - Step 5: Solve for x
x = 14,906,009,202.99/140,527.44 - Step 6: Final answer
x = 106,071.88
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1.5x scale
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.