Finding the Fourth Proportional to 186,726.15, 257,657.76 and 106,151.94
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Solution
The fourth proportional to 186,726.15, 257,657.76 and 106,151.94 is: 146,475.85
Step by Step Solution
- Step 1: Write the proportion equation
186,726.15 : 257,657.76 = 106,151.94 : x - Step 2: Convert to fraction form
186,726.15/257,657.76 = 106,151.94/x - Step 3: Cross multiply
186,726.15x = 257,657.76 × 106,151.94 - Step 4: Simplify right side
186,726.15x = 27,350,871,080.05 - Step 5: Solve for x
x = 27,350,871,080.05/186,726.15 - Step 6: Final answer
x = 146,475.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.