Finding the Fourth Proportional to 135,100.08, 186,447.76 and 74,669.41
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Solution
The fourth proportional to 135,100.08, 186,447.76 and 74,669.41 is: 103,049.12
Step by Step Solution
- Step 1: Write the proportion equation
135,100.08 : 186,447.76 = 74,669.41 : x - Step 2: Convert to fraction form
135,100.08/186,447.76 = 74,669.41/x - Step 3: Cross multiply
135,100.08x = 186,447.76 × 74,669.41 - Step 4: Simplify right side
135,100.08x = 13,921,944,281.41 - Step 5: Solve for x
x = 13,921,944,281.41/135,100.08 - Step 6: Final answer
x = 103,049.12
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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.