Finding the Fourth Proportional to 135,495.06, 186,984.48 and 75,066.99
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Solution
The fourth proportional to 135,495.06, 186,984.48 and 75,066.99 is: 103,593.16
Step by Step Solution
- Step 1: Write the proportion equation
135,495.06 : 186,984.48 = 75,066.99 : x - Step 2: Convert to fraction form
135,495.06/186,984.48 = 75,066.99/x - Step 3: Cross multiply
135,495.06x = 186,984.48 × 75,066.99 - Step 4: Simplify right side
135,495.06x = 14,036,362,090.32 - Step 5: Solve for x
x = 14,036,362,090.32/135,495.06 - Step 6: Final answer
x = 103,593.16
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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.