Finding the Fourth Proportional to 134,539.20, 201,808.80 and 93,067.20
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Solution
The fourth proportional to 134,539.20, 201,808.80 and 93,067.20 is: 139,600.80
Step by Step Solution
- Step 1: Write the proportion equation
134,539.20 : 201,808.80 = 93,067.20 : x - Step 2: Convert to fraction form
134,539.20/201,808.80 = 93,067.20/x - Step 3: Cross multiply
134,539.20x = 201,808.80 × 93,067.20 - Step 4: Simplify right side
134,539.20x = 18,781,779,951.36 - Step 5: Solve for x
x = 18,781,779,951.36/134,539.20 - Step 6: Final answer
x = 139,600.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.