Finding the Fourth Proportional to 115,807.43, 159,595.84 and 92,811.13
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Solution
The fourth proportional to 115,807.43, 159,595.84 and 92,811.13 is: 127,904.32
Step by Step Solution
- Step 1: Write the proportion equation
115,807.43 : 159,595.84 = 92,811.13 : x - Step 2: Convert to fraction form
115,807.43/159,595.84 = 92,811.13/x - Step 3: Cross multiply
115,807.43x = 159,595.84 × 92,811.13 - Step 4: Simplify right side
115,807.43x = 14,812,270,253.70 - Step 5: Solve for x
x = 14,812,270,253.70/115,807.43 - Step 6: Final answer
x = 127,904.32
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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.