Finding the Fourth Proportional to 127,860.84, 176,448.72 and 74,177.82
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Solution
The fourth proportional to 127,860.84, 176,448.72 and 74,177.82 is: 102,365.83
Step by Step Solution
- Step 1: Write the proportion equation
127,860.84 : 176,448.72 = 74,177.82 : x - Step 2: Convert to fraction form
127,860.84/176,448.72 = 74,177.82/x - Step 3: Cross multiply
127,860.84x = 176,448.72 × 74,177.82 - Step 4: Simplify right side
127,860.84x = 13,088,581,391.39 - Step 5: Solve for x
x = 13,088,581,391.39/127,860.84 - Step 6: Final answer
x = 102,365.83
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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.