Finding the Fourth Proportional to 125,090.57, 187,637.44 and 40,850.06
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Solution
The fourth proportional to 125,090.57, 187,637.44 and 40,850.06 is: 61,275.61
Step by Step Solution
- Step 1: Write the proportion equation
125,090.57 : 187,637.44 = 40,850.06 : x - Step 2: Convert to fraction form
125,090.57/187,637.44 = 40,850.06/x - Step 3: Cross multiply
125,090.57x = 187,637.44 × 40,850.06 - Step 4: Simplify right side
125,090.57x = 7,665,000,682.25 - Step 5: Solve for x
x = 7,665,000,682.25/125,090.57 - Step 6: Final answer
x = 61,275.61
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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.