Finding the Fourth Proportional to 125,058.75, 187,606.16 and 40,798.07
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Solution
The fourth proportional to 125,058.75, 187,606.16 and 40,798.07 is: 61,202.98
Step by Step Solution
- Step 1: Write the proportion equation
125,058.75 : 187,606.16 = 40,798.07 : x - Step 2: Convert to fraction form
125,058.75/187,606.16 = 40,798.07/x - Step 3: Cross multiply
125,058.75x = 187,606.16 × 40,798.07 - Step 4: Simplify right side
125,058.75x = 7,653,968,106.09 - Step 5: Solve for x
x = 7,653,968,106.09/125,058.75 - Step 6: Final answer
x = 61,202.98
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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.