Finding the Fourth Proportional to 134,862.60, 202,121.10 and 120,001.80
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Solution
The fourth proportional to 134,862.60, 202,121.10 and 120,001.80 is: 179,848.94
Step by Step Solution
- Step 1: Write the proportion equation
134,862.60 : 202,121.10 = 120,001.80 : x - Step 2: Convert to fraction form
134,862.60/202,121.10 = 120,001.80/x - Step 3: Cross multiply
134,862.60x = 202,121.10 × 120,001.80 - Step 4: Simplify right side
134,862.60x = 24,254,895,817.98 - Step 5: Solve for x
x = 24,254,895,817.98/134,862.60 - Step 6: Final answer
x = 179,848.94
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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.