Finding the Fourth Proportional to 134,299.05, 185,348.46 and 76,956.95
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Solution
The fourth proportional to 134,299.05, 185,348.46 and 76,956.95 is: 106,209.62
Step by Step Solution
- Step 1: Write the proportion equation
134,299.05 : 185,348.46 = 76,956.95 : x - Step 2: Convert to fraction form
134,299.05/185,348.46 = 76,956.95/x - Step 3: Cross multiply
134,299.05x = 185,348.46 × 76,956.95 - Step 4: Simplify right side
134,299.05x = 14,263,851,242.05 - Step 5: Solve for x
x = 14,263,851,242.05/134,299.05 - Step 6: Final answer
x = 106,209.62
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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.