Finding the Fourth Proportional to 134,088.50, 185,054.97 and 76,716.41
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Solution
The fourth proportional to 134,088.50, 185,054.97 and 76,716.41 is: 105,875.99
Step by Step Solution
- Step 1: Write the proportion equation
134,088.50 : 185,054.97 = 76,716.41 : x - Step 2: Convert to fraction form
134,088.50/185,054.97 = 76,716.41/x - Step 3: Cross multiply
134,088.50x = 185,054.97 × 76,716.41 - Step 4: Simplify right side
134,088.50x = 14,196,752,025.78 - Step 5: Solve for x
x = 14,196,752,025.78/134,088.50 - Step 6: Final answer
x = 105,875.99
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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.