Finding the Fourth Proportional to 118,619.15, 177,731.87 and 83,484.99
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Solution
The fourth proportional to 118,619.15, 177,731.87 and 83,484.99 is: 125,088.94
Step by Step Solution
- Step 1: Write the proportion equation
118,619.15 : 177,731.87 = 83,484.99 : x - Step 2: Convert to fraction form
118,619.15/177,731.87 = 83,484.99/x - Step 3: Cross multiply
118,619.15x = 177,731.87 × 83,484.99 - Step 4: Simplify right side
118,619.15x = 14,837,942,972.21 - Step 5: Solve for x
x = 14,837,942,972.21/118,619.15 - Step 6: Final answer
x = 125,088.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.