Finding the Fourth Proportional to 125,019.80, 187,547.94 and 36,273.80
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Solution
The fourth proportional to 125,019.80, 187,547.94 and 36,273.80 is: 54,415.99
Step by Step Solution
- Step 1: Write the proportion equation
125,019.80 : 187,547.94 = 36,273.80 : x - Step 2: Convert to fraction form
125,019.80/187,547.94 = 36,273.80/x - Step 3: Cross multiply
125,019.80x = 187,547.94 × 36,273.80 - Step 4: Simplify right side
125,019.80x = 6,803,076,465.97 - Step 5: Solve for x
x = 6,803,076,465.97/125,019.80 - Step 6: Final answer
x = 54,415.99
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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.