Finding the Fourth Proportional to 168,631.24, 232,709.46 and 93,178.12
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Solution
The fourth proportional to 168,631.24, 232,709.46 and 93,178.12 is: 128,584.89
Step by Step Solution
- Step 1: Write the proportion equation
168,631.24 : 232,709.46 = 93,178.12 : x - Step 2: Convert to fraction form
168,631.24/232,709.46 = 93,178.12/x - Step 3: Cross multiply
168,631.24x = 232,709.46 × 93,178.12 - Step 4: Simplify right side
168,631.24x = 21,683,429,989.02 - Step 5: Solve for x
x = 21,683,429,989.02/168,631.24 - Step 6: Final answer
x = 128,584.89
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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.