Finding the Fourth Proportional to 125,684.29, 188,526.47 and 36,937.79
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Solution
The fourth proportional to 125,684.29, 188,526.47 and 36,937.79 is: 55,406.70
Step by Step Solution
- Step 1: Write the proportion equation
125,684.29 : 188,526.47 = 36,937.79 : x - Step 2: Convert to fraction form
125,684.29/188,526.47 = 36,937.79/x - Step 3: Cross multiply
125,684.29x = 188,526.47 × 36,937.79 - Step 4: Simplify right side
125,684.29x = 6,963,751,158.30 - Step 5: Solve for x
x = 6,963,751,158.30/125,684.29 - Step 6: Final answer
x = 55,406.70
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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.