Finding the Fourth Proportional to 114,880.02, 158,531.36 and 63,890.12
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Solution
The fourth proportional to 114,880.02, 158,531.36 and 63,890.12 is: 88,166.65
Step by Step Solution
- Step 1: Write the proportion equation
114,880.02 : 158,531.36 = 63,890.12 : x - Step 2: Convert to fraction form
114,880.02/158,531.36 = 63,890.12/x - Step 3: Cross multiply
114,880.02x = 158,531.36 × 63,890.12 - Step 4: Simplify right side
114,880.02x = 10,128,586,502.06 - Step 5: Solve for x
x = 10,128,586,502.06/114,880.02 - Step 6: Final answer
x = 88,166.65
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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.