Finding the Fourth Proportional to 135,864.08, 203,831.35 and 51,625.70
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Solution
The fourth proportional to 135,864.08, 203,831.35 and 51,625.70 is: 77,451.93
Step by Step Solution
- Step 1: Write the proportion equation
135,864.08 : 203,831.35 = 51,625.70 : x - Step 2: Convert to fraction form
135,864.08/203,831.35 = 51,625.70/x - Step 3: Cross multiply
135,864.08x = 203,831.35 × 51,625.70 - Step 4: Simplify right side
135,864.08x = 10,522,934,977.47 - Step 5: Solve for x
x = 10,522,934,977.47/135,864.08 - Step 6: Final answer
x = 77,451.93
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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.