Finding the Fourth Proportional to 99,194.24, 136,848.44 and 63,374.96
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Solution
The fourth proportional to 99,194.24, 136,848.44 and 63,374.96 is: 87,432.14
Step by Step Solution
- Step 1: Write the proportion equation
99,194.24 : 136,848.44 = 63,374.96 : x - Step 2: Convert to fraction form
99,194.24/136,848.44 = 63,374.96/x - Step 3: Cross multiply
99,194.24x = 136,848.44 × 63,374.96 - Step 4: Simplify right side
99,194.24x = 8,672,764,411.06 - Step 5: Solve for x
x = 8,672,764,411.06/99,194.24 - Step 6: Final answer
x = 87,432.14
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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.