Finding the Fourth Proportional to 153,467.52, 211,889.58 and 96,130.53
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Solution
The fourth proportional to 153,467.52, 211,889.58 and 96,130.53 is: 132,725.53
Step by Step Solution
- Step 1: Write the proportion equation
153,467.52 : 211,889.58 = 96,130.53 : x - Step 2: Convert to fraction form
153,467.52/211,889.58 = 96,130.53/x - Step 3: Cross multiply
153,467.52x = 211,889.58 × 96,130.53 - Step 4: Simplify right side
153,467.52x = 20,369,057,626.88 - Step 5: Solve for x
x = 20,369,057,626.88/153,467.52 - Step 6: Final answer
x = 132,725.53
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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.