Finding the Fourth Proportional to 125,057.74, 187,604.65 and 40,797.07
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Solution
The fourth proportional to 125,057.74, 187,604.65 and 40,797.07 is: 61,201.49
Step by Step Solution
- Step 1: Write the proportion equation
125,057.74 : 187,604.65 = 40,797.07 : x - Step 2: Convert to fraction form
125,057.74/187,604.65 = 40,797.07/x - Step 3: Cross multiply
125,057.74x = 187,604.65 × 40,797.07 - Step 4: Simplify right side
125,057.74x = 7,653,720,038.38 - Step 5: Solve for x
x = 7,653,720,038.38/125,057.74 - Step 6: Final answer
x = 61,201.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.