Finding the Fourth Proportional to 140,360.08, 193,691.20 and 76,700.08
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Solution
The fourth proportional to 140,360.08, 193,691.20 and 76,700.08 is: 105,842.99
Step by Step Solution
- Step 1: Write the proportion equation
140,360.08 : 193,691.20 = 76,700.08 : x - Step 2: Convert to fraction form
140,360.08/193,691.20 = 76,700.08/x - Step 3: Cross multiply
140,360.08x = 193,691.20 × 76,700.08 - Step 4: Simplify right side
140,360.08x = 14,856,130,535.30 - Step 5: Solve for x
x = 14,856,130,535.30/140,360.08 - Step 6: Final answer
x = 105,842.99
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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.