Finding the Fourth Proportional to 97,884.70, 135,146.04 and 75,183.19
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Solution
The fourth proportional to 97,884.70, 135,146.04 and 75,183.19 is: 103,802.84
Step by Step Solution
- Step 1: Write the proportion equation
97,884.70 : 135,146.04 = 75,183.19 : x - Step 2: Convert to fraction form
97,884.70/135,146.04 = 75,183.19/x - Step 3: Cross multiply
97,884.70x = 135,146.04 × 75,183.19 - Step 4: Simplify right side
97,884.70x = 10,160,710,417.62 - Step 5: Solve for x
x = 10,160,710,417.62/97,884.70 - Step 6: Final answer
x = 103,802.84
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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.