Finding the Fourth Proportional to 135,101.08, 186,449.14 and 74,670.41
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Solution
The fourth proportional to 135,101.08, 186,449.14 and 74,670.41 is: 103,050.50
Step by Step Solution
- Step 1: Write the proportion equation
135,101.08 : 186,449.14 = 74,670.41 : x - Step 2: Convert to fraction form
135,101.08/186,449.14 = 74,670.41/x - Step 3: Cross multiply
135,101.08x = 186,449.14 × 74,670.41 - Step 4: Simplify right side
135,101.08x = 13,922,233,727.95 - Step 5: Solve for x
x = 13,922,233,727.95/135,101.08 - Step 6: Final answer
x = 103,050.50
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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.