Finding the Fourth Proportional to 140,599.18, 194,026.86 and 76,936.98
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Solution
The fourth proportional to 140,599.18, 194,026.86 and 76,936.98 is: 106,173.03
Step by Step Solution
- Step 1: Write the proportion equation
140,599.18 : 194,026.86 = 76,936.98 : x - Step 2: Convert to fraction form
140,599.18/194,026.86 = 76,936.98/x - Step 3: Cross multiply
140,599.18x = 194,026.86 × 76,936.98 - Step 4: Simplify right side
140,599.18x = 14,927,840,647.28 - Step 5: Solve for x
x = 14,927,840,647.28/140,599.18 - Step 6: Final answer
x = 106,173.03
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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.