Finding the Fourth Proportional to 99,152.92, 136,768.71 and 58,838.14
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Solution
The fourth proportional to 99,152.92, 136,768.71 and 58,838.14 is: 81,159.65
Step by Step Solution
- Step 1: Write the proportion equation
99,152.92 : 136,768.71 = 58,838.14 : x - Step 2: Convert to fraction form
99,152.92/136,768.71 = 58,838.14/x - Step 3: Cross multiply
99,152.92x = 136,768.71 × 58,838.14 - Step 4: Simplify right side
99,152.92x = 8,047,216,506.60 - Step 5: Solve for x
x = 8,047,216,506.60/99,152.92 - Step 6: Final answer
x = 81,159.65
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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.