Finding the Fourth Proportional to 124,941.68, 187,412.37 and 40,701.70
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Solution
The fourth proportional to 124,941.68, 187,412.37 and 40,701.70 is: 61,052.50
Step by Step Solution
- Step 1: Write the proportion equation
124,941.68 : 187,412.37 = 40,701.70 : x - Step 2: Convert to fraction form
124,941.68/187,412.37 = 40,701.70/x - Step 3: Cross multiply
124,941.68x = 187,412.37 × 40,701.70 - Step 4: Simplify right side
124,941.68x = 7,628,002,141.66 - Step 5: Solve for x
x = 7,628,002,141.66/124,941.68 - Step 6: Final answer
x = 61,052.50
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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.