Finding the Fourth Proportional to 135,859.39, 203,798.45 and 56,894.11
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Solution
The fourth proportional to 135,859.39, 203,798.45 and 56,894.11 is: 85,345.09
Step by Step Solution
- Step 1: Write the proportion equation
135,859.39 : 203,798.45 = 56,894.11 : x - Step 2: Convert to fraction form
135,859.39/203,798.45 = 56,894.11/x - Step 3: Cross multiply
135,859.39x = 203,798.45 × 56,894.11 - Step 4: Simplify right side
135,859.39x = 11,594,931,432.13 - Step 5: Solve for x
x = 11,594,931,432.13/135,859.39 - Step 6: Final answer
x = 85,345.09
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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.