Finding the Fourth Proportional to 114,439.05, 157,894.21 and 66,037.61
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Solution
The fourth proportional to 114,439.05, 157,894.21 and 66,037.61 is: 91,113.62
Step by Step Solution
- Step 1: Write the proportion equation
114,439.05 : 157,894.21 = 66,037.61 : x - Step 2: Convert to fraction form
114,439.05/157,894.21 = 66,037.61/x - Step 3: Cross multiply
114,439.05x = 157,894.21 × 66,037.61 - Step 4: Simplify right side
114,439.05x = 10,426,956,261.24 - Step 5: Solve for x
x = 10,426,956,261.24/114,439.05 - Step 6: Final answer
x = 91,113.62
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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.