Finding the Fourth Proportional to 118,055.97, 162,917.39 and 64,340.99
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Solution
The fourth proportional to 118,055.97, 162,917.39 and 64,340.99 is: 88,790.64
Step by Step Solution
- Step 1: Write the proportion equation
118,055.97 : 162,917.39 = 64,340.99 : x - Step 2: Convert to fraction form
118,055.97/162,917.39 = 64,340.99/x - Step 3: Cross multiply
118,055.97x = 162,917.39 × 64,340.99 - Step 4: Simplify right side
118,055.97x = 10,482,265,024.52 - Step 5: Solve for x
x = 10,482,265,024.52/118,055.97 - Step 6: Final answer
x = 88,790.64
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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.