Finding the Fourth Proportional to 125,130.68, 187,698.36 and 40,891.04
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Solution
The fourth proportional to 125,130.68, 187,698.36 and 40,891.04 is: 61,337.32
Step by Step Solution
- Step 1: Write the proportion equation
125,130.68 : 187,698.36 = 40,891.04 : x - Step 2: Convert to fraction form
125,130.68/187,698.36 = 40,891.04/x - Step 3: Cross multiply
125,130.68x = 187,698.36 × 40,891.04 - Step 4: Simplify right side
125,130.68x = 7,675,181,146.69 - Step 5: Solve for x
x = 7,675,181,146.69/125,130.68 - Step 6: Final answer
x = 61,337.32
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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.