Finding the Fourth Proportional to 136,817.64, 205,248.06 and 48,079.98
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Solution
The fourth proportional to 136,817.64, 205,248.06 and 48,079.98 is: 72,127.56
Step by Step Solution
- Step 1: Write the proportion equation
136,817.64 : 205,248.06 = 48,079.98 : x - Step 2: Convert to fraction form
136,817.64/205,248.06 = 48,079.98/x - Step 3: Cross multiply
136,817.64x = 205,248.06 × 48,079.98 - Step 4: Simplify right side
136,817.64x = 9,868,322,619.84 - Step 5: Solve for x
x = 9,868,322,619.84/136,817.64 - Step 6: Final answer
x = 72,127.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.