Finding the Fourth Proportional to 168,811.88, 232,956.42 and 93,358.76
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Solution
The fourth proportional to 168,811.88, 232,956.42 and 93,358.76 is: 128,832.89
Step by Step Solution
- Step 1: Write the proportion equation
168,811.88 : 232,956.42 = 93,358.76 : x - Step 2: Convert to fraction form
168,811.88/232,956.42 = 93,358.76/x - Step 3: Cross multiply
168,811.88x = 232,956.42 × 93,358.76 - Step 4: Simplify right side
168,811.88x = 21,748,522,505.24 - Step 5: Solve for x
x = 21,748,522,505.24/168,811.88 - Step 6: Final answer
x = 128,832.89
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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.