Finding the Fourth Proportional to 134,691.03, 185,872.61 and 73,437.02
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Solution
The fourth proportional to 134,691.03, 185,872.61 and 73,437.02 is: 101,342.53
Step by Step Solution
- Step 1: Write the proportion equation
134,691.03 : 185,872.61 = 73,437.02 : x - Step 2: Convert to fraction form
134,691.03/185,872.61 = 73,437.02/x - Step 3: Cross multiply
134,691.03x = 185,872.61 × 73,437.02 - Step 4: Simplify right side
134,691.03x = 13,649,929,281.47 - Step 5: Solve for x
x = 13,649,929,281.47/134,691.03 - Step 6: Final answer
x = 101,342.53
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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.