Finding the Fourth Proportional to 118,376.75, 163,364.79 and 68,075.75
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Solution
The fourth proportional to 118,376.75, 163,364.79 and 68,075.75 is: 93,947.34
Step by Step Solution
- Step 1: Write the proportion equation
118,376.75 : 163,364.79 = 68,075.75 : x - Step 2: Convert to fraction form
118,376.75/163,364.79 = 68,075.75/x - Step 3: Cross multiply
118,376.75x = 163,364.79 × 68,075.75 - Step 4: Simplify right side
118,376.75x = 11,121,180,602.84 - Step 5: Solve for x
x = 11,121,180,602.84/118,376.75 - Step 6: Final answer
x = 93,947.34
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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.