Finding the Fourth Proportional to 125,146.97, 187,681.20 and 40,887.93
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Solution
The fourth proportional to 125,146.97, 187,681.20 and 40,887.93 is: 61,319.07
Step by Step Solution
- Step 1: Write the proportion equation
125,146.97 : 187,681.20 = 40,887.93 : x - Step 2: Convert to fraction form
125,146.97/187,681.20 = 40,887.93/x - Step 3: Cross multiply
125,146.97x = 187,681.20 × 40,887.93 - Step 4: Simplify right side
125,146.97x = 7,673,895,767.92 - Step 5: Solve for x
x = 7,673,895,767.92/125,146.97 - Step 6: Final answer
x = 61,319.07
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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.