Finding the Fourth Proportional to 135,539.44, 187,051.62 and 75,116.68
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Solution
The fourth proportional to 135,539.44, 187,051.62 and 75,116.68 is: 103,665.00
Step by Step Solution
- Step 1: Write the proportion equation
135,539.44 : 187,051.62 = 75,116.68 : x - Step 2: Convert to fraction form
135,539.44/187,051.62 = 75,116.68/x - Step 3: Cross multiply
135,539.44x = 187,051.62 × 75,116.68 - Step 4: Simplify right side
135,539.44x = 14,050,696,683.02 - Step 5: Solve for x
x = 14,050,696,683.02/135,539.44 - Step 6: Final answer
x = 103,665.00
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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.