Finding the Fourth Proportional to 133,687.75, 184,489.10 and 74,071.75
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Solution
The fourth proportional to 133,687.75, 184,489.10 and 74,071.75 is: 102,219.02
Step by Step Solution
- Step 1: Write the proportion equation
133,687.75 : 184,489.10 = 74,071.75 : x - Step 2: Convert to fraction form
133,687.75/184,489.10 = 74,071.75/x - Step 3: Cross multiply
133,687.75x = 184,489.10 × 74,071.75 - Step 4: Simplify right side
133,687.75x = 13,665,430,492.93 - Step 5: Solve for x
x = 13,665,430,492.93/133,687.75 - Step 6: Final answer
x = 102,219.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.