Finding the Fourth Proportional to 99,206.08, 136,904.40 and 54,494.08
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Solution
The fourth proportional to 99,206.08, 136,904.40 and 54,494.08 is: 75,201.84
Step by Step Solution
- Step 1: Write the proportion equation
99,206.08 : 136,904.40 = 54,494.08 : x - Step 2: Convert to fraction form
99,206.08/136,904.40 = 54,494.08/x - Step 3: Cross multiply
99,206.08x = 136,904.40 × 54,494.08 - Step 4: Simplify right side
99,206.08x = 7,460,479,325.95 - Step 5: Solve for x
x = 7,460,479,325.95/99,206.08 - Step 6: Final answer
x = 75,201.84
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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.