Finding the Fourth Proportional to 127,716.02, 176,248.04 and 74,032.14
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Solution
The fourth proportional to 127,716.02, 176,248.04 and 74,032.14 is: 102,164.32
Step by Step Solution
- Step 1: Write the proportion equation
127,716.02 : 176,248.04 = 74,032.14 : x - Step 2: Convert to fraction form
127,716.02/176,248.04 = 74,032.14/x - Step 3: Cross multiply
127,716.02x = 176,248.04 × 74,032.14 - Step 4: Simplify right side
127,716.02x = 13,048,019,201.84 - Step 5: Solve for x
x = 13,048,019,201.84/127,716.02 - Step 6: Final answer
x = 102,164.32
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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.