Finding the Fourth Proportional to 125,525.61, 173,226.29 and 71,807.31
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Solution
The fourth proportional to 125,525.61, 173,226.29 and 71,807.31 is: 99,094.63
Step by Step Solution
- Step 1: Write the proportion equation
125,525.61 : 173,226.29 = 71,807.31 : x - Step 2: Convert to fraction form
125,525.61/173,226.29 = 71,807.31/x - Step 3: Cross multiply
125,525.61x = 173,226.29 × 71,807.31 - Step 4: Simplify right side
125,525.61x = 12,438,913,547.14 - Step 5: Solve for x
x = 12,438,913,547.14/125,525.61 - Step 6: Final answer
x = 99,094.63
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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.