Finding the Fourth Proportional to 127,562.74, 176,036.60 and 70,202.07
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Solution
The fourth proportional to 127,562.74, 176,036.60 and 70,202.07 is: 96,878.87
Step by Step Solution
- Step 1: Write the proportion equation
127,562.74 : 176,036.60 = 70,202.07 : x - Step 2: Convert to fraction form
127,562.74/176,036.60 = 70,202.07/x - Step 3: Cross multiply
127,562.74x = 176,036.60 × 70,202.07 - Step 4: Simplify right side
127,562.74x = 12,358,133,891.27 - Step 5: Solve for x
x = 12,358,133,891.27/127,562.74 - Step 6: Final answer
x = 96,878.87
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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.