Finding the Fourth Proportional to 107,148.04, 147,861.08 and 58,748.96
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Solution
The fourth proportional to 107,148.04, 147,861.08 and 58,748.96 is: 81,071.80
Step by Step Solution
- Step 1: Write the proportion equation
107,148.04 : 147,861.08 = 58,748.96 : x - Step 2: Convert to fraction form
107,148.04/147,861.08 = 58,748.96/x - Step 3: Cross multiply
107,148.04x = 147,861.08 × 58,748.96 - Step 4: Simplify right side
107,148.04x = 8,686,684,674.48 - Step 5: Solve for x
x = 8,686,684,674.48/107,148.04 - Step 6: Final answer
x = 81,071.80
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1.5x scale
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.