Finding the Fourth Proportional to 125,158.99, 172,885.04 and 93,272.53
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Solution
The fourth proportional to 125,158.99, 172,885.04 and 93,272.53 is: 128,839.53
Step by Step Solution
- Step 1: Write the proportion equation
125,158.99 : 172,885.04 = 93,272.53 : x - Step 2: Convert to fraction form
125,158.99/172,885.04 = 93,272.53/x - Step 3: Cross multiply
125,158.99x = 172,885.04 × 93,272.53 - Step 4: Simplify right side
125,158.99x = 16,125,425,079.95 - Step 5: Solve for x
x = 16,125,425,079.95/125,158.99 - Step 6: Final answer
x = 128,839.53
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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.