Finding the Fourth Proportional to 125,201.57, 187,395.93 and 91,914.21
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Solution
The fourth proportional to 125,201.57, 187,395.93 and 91,914.21 is: 137,572.95
Step by Step Solution
- Step 1: Write the proportion equation
125,201.57 : 187,395.93 = 91,914.21 : x - Step 2: Convert to fraction form
125,201.57/187,395.93 = 91,914.21/x - Step 3: Cross multiply
125,201.57x = 187,395.93 × 91,914.21 - Step 4: Simplify right side
125,201.57x = 17,224,348,863.17 - Step 5: Solve for x
x = 17,224,348,863.17/125,201.57 - Step 6: Final answer
x = 137,572.95
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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.