Finding the Fourth Proportional to 92,231.56, 138,531.71 and 89,204.99
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Solution
The fourth proportional to 92,231.56, 138,531.71 and 89,204.99 is: 133,985.81
Step by Step Solution
- Step 1: Write the proportion equation
92,231.56 : 138,531.71 = 89,204.99 : x - Step 2: Convert to fraction form
92,231.56/138,531.71 = 89,204.99/x - Step 3: Cross multiply
92,231.56x = 138,531.71 × 89,204.99 - Step 4: Simplify right side
92,231.56x = 12,357,720,374.57 - Step 5: Solve for x
x = 12,357,720,374.57/92,231.56 - Step 6: Final answer
x = 133,985.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.