Finding the Fourth Proportional to 122,794.14, 169,465.75 and 69,075.95
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Solution
The fourth proportional to 122,794.14, 169,465.75 and 69,075.95 is: 95,330.34
Step by Step Solution
- Step 1: Write the proportion equation
122,794.14 : 169,465.75 = 69,075.95 : x - Step 2: Convert to fraction form
122,794.14/169,465.75 = 69,075.95/x - Step 3: Cross multiply
122,794.14x = 169,465.75 × 69,075.95 - Step 4: Simplify right side
122,794.14x = 11,706,007,673.71 - Step 5: Solve for x
x = 11,706,007,673.71/122,794.14 - Step 6: Final answer
x = 95,330.34
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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.