Finding the Fourth Proportional to 131,890.74, 182,008.98 and 71,463.02
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Solution
The fourth proportional to 131,890.74, 182,008.98 and 71,463.02 is: 98,618.84
Step by Step Solution
- Step 1: Write the proportion equation
131,890.74 : 182,008.98 = 71,463.02 : x - Step 2: Convert to fraction form
131,890.74/182,008.98 = 71,463.02/x - Step 3: Cross multiply
131,890.74x = 182,008.98 × 71,463.02 - Step 4: Simplify right side
131,890.74x = 13,006,911,903.08 - Step 5: Solve for x
x = 13,006,911,903.08/131,890.74 - Step 6: Final answer
x = 98,618.84
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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.