Finding the Fourth Proportional to 125,214.97, 172,696.13 and 110,075.53
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Solution
The fourth proportional to 125,214.97, 172,696.13 and 110,075.53 is: 151,815.86
Step by Step Solution
- Step 1: Write the proportion equation
125,214.97 : 172,696.13 = 110,075.53 : x - Step 2: Convert to fraction form
125,214.97/172,696.13 = 110,075.53/x - Step 3: Cross multiply
125,214.97x = 172,696.13 × 110,075.53 - Step 4: Simplify right side
125,214.97x = 19,009,618,038.70 - Step 5: Solve for x
x = 19,009,618,038.70/125,214.97 - Step 6: Final answer
x = 151,815.86
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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.