Finding the Fourth Proportional to 107,235.84, 147,984.36 and 59,487.96
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Solution
The fourth proportional to 107,235.84, 147,984.36 and 59,487.96 is: 82,092.78
Step by Step Solution
- Step 1: Write the proportion equation
107,235.84 : 147,984.36 = 59,487.96 : x - Step 2: Convert to fraction form
107,235.84/147,984.36 = 59,487.96/x - Step 3: Cross multiply
107,235.84x = 147,984.36 × 59,487.96 - Step 4: Simplify right side
107,235.84x = 8,803,287,688.31 - Step 5: Solve for x
x = 8,803,287,688.31/107,235.84 - Step 6: Final answer
x = 82,092.78
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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.