Finding the Fourth Proportional to 125,152.13, 187,672.10 and 74,574.96
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Solution
The fourth proportional to 125,152.13, 187,672.10 and 74,574.96 is: 111,829.02
Step by Step Solution
- Step 1: Write the proportion equation
125,152.13 : 187,672.10 = 74,574.96 : x - Step 2: Convert to fraction form
125,152.13/187,672.10 = 74,574.96/x - Step 3: Cross multiply
125,152.13x = 187,672.10 × 74,574.96 - Step 4: Simplify right side
125,152.13x = 13,995,638,977.74 - Step 5: Solve for x
x = 13,995,638,977.74/125,152.13 - Step 6: Final answer
x = 111,829.02
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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.