Finding the Fourth Proportional to 118,120.19, 177,263.32 and 106,827.08
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Solution
The fourth proportional to 118,120.19, 177,263.32 and 106,827.08 is: 160,315.70
Step by Step Solution
- Step 1: Write the proportion equation
118,120.19 : 177,263.32 = 106,827.08 : x - Step 2: Convert to fraction form
118,120.19/177,263.32 = 106,827.08/x - Step 3: Cross multiply
118,120.19x = 177,263.32 × 106,827.08 - Step 4: Simplify right side
118,120.19x = 18,936,521,713.32 - Step 5: Solve for x
x = 18,936,521,713.32/118,120.19 - Step 6: Final answer
x = 160,315.70
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1.5x scale
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.